Over its lifetime, you can save up to 40% or more over the amount of chlorine you would have to otherwise buy! After a number of years go by, the salt cell in your system does get used up while producing chlorine. Even the next season you may only need to add one or two bags to start off the year. Thank you,
Filtration. During lightning storms, turn off the chlorinator to reduce the risk of power surges that could damage the control board. And each year, he continues to help more people with water chemistry, cleaning, and troubleshooting. Salt chlorine generators have risen in popularity over the years as a better and easier way to keep pools clean. Copyright 2009 - 2022 by swiminn. Saltwater systems require a fraction of maintenance compared to chlorine systems, but occasionally youll need to replace or clean the salt cell. Clean the chlorinator cell at least once a season or as needed. Discount Salt Pool is a BBB member with an A+ rating. The control center of the system, its primary purpose is to provide electricity to the salt chlorine generator for the conversion process. This will save you time, money, and energy! SALE: Hello! Thats the tradeoff in the long run. All Rights Reserved. DiscountSaltPool.com is America's largest specialty provider of saltwater swimming pool equipment. I have read and accept the conditions contained in the Privacy Policy on processing of my data to manage my query or request. Do you still need this item? Learn why its a good idea, and how a salt chlorinator makes it easier than you might imagine. Considering salt water pool conversion? Copyright 1995-2022 eBay Inc. All Rights Reserved. One of the biggest advantages of salt water pools is that theyre much softer on the eyes and much less drying to the skin than traditional chlorine pools. It'll help you save $100 right away on pool care! All of these devices put an end to red eyes, itchy dry skin and sharp chlorine odors. Thanks for your question! If you are looking for Intex Salt Water Chlorinator System, you are lucky. Pick the best Chlorine Generator for your pool , ChlorMaker Hot Tub Sanitation System - Natural Salt Chlorine Generator, MegaChlor Spa & Above-Ground Pool Sanitation System - Natural Salt Chlorine Generator, SmarterSpa Hot Tub Sanitation System - Natural Salt Chlorine Generator, CMP Powerclean Salt Ultra 320 Complete Salt Pool System with 3-Year Limited Warranty, for up to 20,000 gallon pools. Saltwater chlorine generators come in a variety of brands, sizes, and configurations. it is for pool up to 15000 gallons. Oversizing is recommended. Does this use 110/120V and for 15,000gal pools? CircuPool RJ30 Plus Complete Salt Water Chlorination System for Swimming Pools. That's huge savings (about 60% in that case). Why Do Olympic Swimmers Wear Coats Before Racing? - It's Wise To Oversize! Only use a salt chlorinator with reverse polarity to reduce scale buildup on the cell. CIF/VAT ES-B-17527524, C/ Pirineus, 9, 17460 Celr (Girona), Spain. All our devices are 100% tested to be functionally good as new. forms of chlorine so you dont need to use liquid chlorine at all. Using electrolysis, dissolved salt is converted into hypochlorous acid (HClO) and sodium hypochlorite, the sanitizing agents used to rid the water of dirt and bacteria. Theres no denying salt chlorinators are much easier to maintain compared to other filtration systems. Please make sure that your review focus on the product and your experience with it, this will help other customers make more confident decisions. Most systems are delivered within the US in 2-3 business days. A salt water chlorinator makes hypochlorous acid (HClO) by using table salt or sodium chloride (NaCl) and electrolysis. While effective, buying, transporting, storing, and using chlorine is not fun. Your account will remain active for 45 days. More information, Automatic translation Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_3" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_4" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_5" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_6" ).setAttribute( "value", ( new Date() ).getTime() ); This field is for validation purposes and should be left unchanged. Some people prefer not to use chemicals in their pools, while others just want to make the cleaning process a little easier on themselves. It could last years, or something may cause it to burn out. Were pool owners too, and we want to help people discover the benefits of salt pool systems so they can spend less time on pool maintenance, and more time enjoying their pool. Salt Water Pool vs. Chlorine Pool: Which One Is Better? Stock up and save money on chlorine tablets for the season by getting the standard 3-inch stabilized chlorine pucks. Opps! Pool owners without a saltwater chlorine generator system use liquid chlorine or tablets to maintain sanitizer levels in the pool. Back to previous page | Salt is the base ingredient used to create chlorine in a salt chlorine generator. All rights reserved to @ Magen Eco Energy - solar pool heating systems & salt chlorinators |, Automatic salinity readings and out of range alerts, Ready for future add-ons and upgrade options, Pool ownerslooking for future upgrades and add-ons, Clients searching for cutting pool service and maintenance costs, Onlinemonitoring and control of water balance, Ensures better water quality and reduces chemicals usage, Flexible for various installation options. The Best Pool Salt You Should Use and Why. CircuPool SJ-20, Complete Salt Pool System with 3-Year Limited Warranty, for up to 20,000 gallon pools, CircuPool SJ35, Complete Salt Pool System with 3-Year Limited Warranty, for up to 35,000 gallon pools, CMP Powerclean Salt Ultra 540Complete Salt Pool System with 3-Year Limited Warranty, for up to 40,000 gallon pools, CircuPool SJ45, Complete Salt Pool System with 3-Year Limited Warranty, for up to 45,000 gallon pools, CFICGEN40 Complete Salt Chlorinator System, for up to 40,000 gallon pools, CMP Powerclean Salt Ultra 760 Complete Salt Pool System with 3-Year Limited Warranty, for up to 60,000 gallon pools, AutoPilot ChlorSync CS40 Complete Salt Pool System with 3-Year Warranty, for up to 40,000 gallon pools, AutoPilot Dig-220 PPM1 (RC-35 / SC-36) Complete Salt Pool System with 2-Year Limited Warranty, for up to 35,000 gallon pools, AutoPilot ChlorSync CS50 Complete Salt Pool System with 3-Year Warranty, for up to 50,000 gallon pools, AutoPilot Dig-220 PPM3 (RC-42 / SC-48) Complete Salt Pool System with 2-Year Limited Warranty, for up to 42,000 gallon pools, AutoPilot Dig-220 PPM4 (RC-52 / SC-60) Complete Salt Pool System with 2-Year Limited Warranty, for up to 52,000 gallon pools, AutoPilot Dig-220 PPM5 (CC-15) Complete Salt Pool System with 2-Year Limited Warranty, for up to 80,000 gallon pools. This is a proven way to make the water less acidic when swimming in pools. Its so easy that its become the standard in pool care! The bigger the pool, the more money youll spend each year on large bags of salt, but you wont spend money on chlorine. These naturally occurring metals are charged from the control board and allow the salt to convert to chlorine through electrolysis. Order online today, come visit our Texas headquarters, or call in for personalized help and recommendations. We carry all brands, are happy to talk about all of your options, and want to ensure you get the right equipment at the best price - with no middle man. Magen eco-Energy has over 15 years of experience manufacturing salt water chlorinators of various models. The salt chlorinator is responsible for the clean, sanitized pool water and the exceptional swimming experience. But dont let choosing the right model and size for your pool and budget become overwhelming, here are the main points to consider: Oversize your system, dont go with the minimum. Many hours are devoted to maintaining the pool and ensuring a safe, healthy and clean swimming environment for family and friends. You can access, rectify and delete your data, as well as exercise other rights by consulting the additional and detailed information on data protection in our Privacy Policy. 17 product ratings - AQUACLEAR Replacement Salt Cell with 15 Foot Cable - 40,000 Gallons HC40GT15-1, 36 product ratings - Saltron Retro Salt Water Swimming Pool System Salt Chlorine Generator by Solaxx, 24 product ratings - HTH Advanced SHOCK Swimming Pool Chlorine Cleaner, 1 lb - 6 PACK, 36 product ratings - Pentair EC 520555 IntelliChlor IC40 Salt Chlorine Generator Cell *NEW* ( US ), 2 product ratings - Hayward AquaRite Salt Chlorinator with TurboCell for 40K Gallon In Ground Pools, 2 product ratings - Hayward AquaRite 900 Salt Chlorinator Control Unit. For the salt generator itself, you may spend between $800 and $1,000, depending on the brand. Your question will be answered by email, please make sure you provide a correct email address. Since then, his mission is to make pool and hot tub care easy for everyone. Which one is better: a salt water pool vs. a chlorine pool? Salt Chlorine Generator, Westaho Salt Chlorination System for Inground Pools Up to 35,000 Gallons, Keeps Pool Water Clear with Less Maintenance, IP 66 Waterproof, CircuPool CORE35 Salt Chlorinator System | 8 Year Warranty with No DIY Install Penalty | USA Titanium | 1.4 lb CL Output | Electronic Chlorine Generator for Swimming Pools up to 35,000 Gallons, Salt Chlorine Generator, Briidea Chlorine Generator for Hot Tubs & Swim Spas, Up to 2000 Gallons, Chemical-Free, Sponsored | Based on star rating and number of customer ratings, Saltwater Pool System, Westaho Salt Chlorine Generator for Above Ground Pools Up to 15,000 Gallons, Keeps Pool Water Clean, IP 66 Waterproof, Pentair 520555 IntelliChlor IC40 Salt Chlorine Generator Cell (US Version), CircuPool CORE55 Salt Chlorinator System | 8 Year Warranty with No DIY Install Penalty | USA Titanium | 2.4 lb CL Output | Electronic Chlorine Generator for Swimming Pools up to 55,000 Gallons, Saltwater Chlorinator, 12g/H Automatic Cleaning Salt Water Pool Chlorine Generator System, Complete Functions Simple Operation Pool Chlorine Generator Chlorinator for SPA Swimming Pool, Hot Tub Spa Chlorinator Salt - for Salt Water Sanitizing Systems and Chlorine Generators Including Ace Freshwater, Hotspring, Jacuzzi, Caldera, Chloromatic - 10 Lbs/1000 Gallons - Sea Salt Superstore. Pool stores or services are often contractually limited to one brand or set point of view. By continuing to browse the site you are agreeing to our use of cookies. If youre thinking about building a new swimming pool or have an existing pool and want to convert it to salt water, consider the potential benefits. Automatic translation For a limited time, UPGRADE FOR $1 to the next larger size on select cutting-edge CircuPool salt systems. At full price, a replacement salt cell for the RJ45 is $694, which typically means another 1200 pounds of chlorine at even greater savings. Choosing the right generator for your pool is an important first step in making the switch to a saltwater pool. Physical characteristics / Size / Color / Measurements Why not give a salt water chlorinator a try? Accessories compatibility Youre seeing this ad based on the products relevance to your search query. Your recently viewed items and featured recommendations, Select the department you want to search in. Wondering if a salt water pool system is right for you? Output, USA Made Titanium Cell & 7 Year Warranty; no DIY Penalty. There seems to be a problem serving the request at this time, {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. TRADEINN RETAIL SERVICES, S.L. Estimated lifetime chlorination potential calculated based on stated output and lifespan ratings. Making sure its properly covered and off during electrical storms is your best defense against early outages. This mostly has to do with the sanitizer being mostly automated through the salt water system, leaving you to worry only about the calcium hardness, pH balance, and total alkalinity under regular conditions. Computers, electronics and more to keep up to date with the latest technology. Product availability Most salt chlorinator warranties are pro-rated. Improper cleaningor too-frequent cleaningof the cell is the leading cause of early replacement. Help us assist you in creating a healthier, safer pool environment by sanitizing your private swimming pool with a salt chlorinator and creating the worry free luxury sanctuary you dreamed of. A saltwater chlorine generator is the most cost effective way to maintain a pool. AutoPilot ChlorSync CS30 Electronic Chlorine Generator, CircuPool EDGE-15 Salt Chlorine Generator, CircuPool RJ-20 PLUS Salt Chlorine Generator, CircuPool Universal25 Salt Chlorine Generator, CircuPool CORE-15 Salt Chlorine Generator, Pentair Intellichlor Electronic Chlorine Generator - 20k Gal Complete System (EC-520556 and EC-520554), ControlOMatic - ChlorMaker Spa Chlorine Generator, ControlOMatic - MegaChlor Pool and Swim Spa Chlorine Generator, ControlOMatic - SmarterSpa Spa Chlorine Generator, CMP Powerclean Salt Ultra 320 Salt Chlorinator (SGS Saline Generating Systems Breeze 320) | 52000-220-000, Pentair iChlor 15 Salt Chlorine Generator (523080) - "Trade Grade", Jandy TruClear Salt Chlorine Generator "Trade Grade" - With Plumbing Unions, CircuPool RJ-16 PLUS Saltwater Chlorine Generator, Pentair iChlor 30 Salt Chlorine Generator (523081) - "Trade Grade", CMP Powerclean Salt Ultra 540 Salt Chlorinator (SGS Saline Generating Systems Breeze 540) | 52000-240-000, CircuPool EDGE-25 Salt Chlorine Generator, AutoPilot Digital Nano+ with PPM2 (RC-28) Electronic Chlorine Generator, Hayward Aqua Rite AQR3 (T-Cell-3) Salt Chlorine Generator, CircuPool Universal40 Salt Chlorine Generator, CircuPool EDGE-40 Salt Chlorine Generator, Choose EDGE25 and upgrade to EDGE40 for only $1 More, CMP Powerclean Salt Ultra 760 Salt Chlorinator (SGS Saline Generating Systems Breeze 760) | 52000-260-000, Pentair Intellichlor Electronic Chlorine Generator - 40k Gal Complete System (EC-520556 and EC-520555), CircuPool Universal55 Salt Chlorine Generator, Choose UL40 and upgrade to UL55 for only $25 More, CircuPool RJ-30 PLUS Salt Chlorine Generator, Hayward Aqua Rite AQR9 (T-Cell-9) Salt Chlorine Generator, AutoPilot ChlorSync CS40 Electronic Chlorine Generator, CircuPool CORE-35 Salt Chlorine Generator, CircuPool RJ-45 PLUS Salt Chlorine Generator, AutoPilot Digital PPM1 (RC-35) Electronic Chlorine Generator, AutoPilot ChlorSync CS50 Electronic Chlorine Generator, Hayward Aqua Rite AQR15 (T-Cell-15) Salt Chlorine Generator, Pentair Intellichlor Electronic Chlorine Generator - 60k Gal Complete System (EC-520556 and EC-521105), CircuPool CORE-55 Salt Chlorine Generator, Choose CORE35 and upgrade to CORE55 for only $1 More, CircuPool RJ-60 PLUS Salt Chlorine Generator, Choose RJ45+ and upgrade to RJ60+ for only $1 More, Autopilot Digital PPM3 (RC-42) Electronic Chlorine Generator, Autopilot Digital PPM4 (RC-52) Electronic Chlorine Generator, Autopilot Digital PPM5 (CC-15) Electronic Chlorine Generator. Whether youre looking for a DIY solution or just want to learn more about salt chlorine generators, were here to answer your questions about specific products and anything else. The cell is the part of the system that actually converts salt into chlorine. Our Filtration are designed to suit your needs and give you complete control, no matter of weather. How many gallons is this system made to work for?
Thanks for your question! In order to give you a better service Tradeinn uses cookies. Pay in 3 interest-free instalments. Here are some good alternatives: Still need this item? INTEX has combined the disinfectant technology of Ozone with the benefits of salt water to offer better sanitation of AGP swimming pools. Naturally creates a safe and healthy pool environment. Per the Manufacturer, this chlorine generator model line is no longer available due to critical component shortages. We're lifelong swimming pool enthusiasts & experts with decades of experience in the industry who want to give other pool owners direct access to the best pool technology that's out there- along with unlimited access to our friendly customer support and online DIY resources. Homepage There is no risk of chlorine over dose or dealing with dangerous substances! Still, that added cost can make your daily pool maintenance so much easier you may decide its worth it. Lindsay. Receive exclusive offers and news that will brighten up your day! Only [caracteres] characters left to earn your CoINNs. While a salt water swimming pool may need to occasionally have the chlorine levels manually adjusted you can usually accomplish this using tablet or granular Thanks for your question! Here are some good alternatives: Replacing, upgrading, or maintaining a salt chlorine generator is simple. The salt water passes through an electric current creating chlorine gas (Cl2), but youre also forming hydrogen gas (h2) and sodium hydroxide (NaOH). Before you convert from chlorine to salt, here's everything you need to know. Salt Water Pool Systems: Whats the Best One and Are They Worth It? At Discount Salt Pool were all about sharing our salt pool expertise with pool owners, pool professionals, builders, and anyone interested in making the switch from traditional chlorine to a saltwater chlorine generator system. Your feedback is important to us, your review about this product will be revised by our experts and will be published within 5 working days. Magens natural salt water chlorinators are the safest, most economical, natural and environment friendly disinfection systems for swimming pools. You dont have to stick with the same brand as your pump or filter. Hello, do you still need a pump with this system or does this replace the pump/filtration system? View cart for details. The grade refers only to the aesthetic appearance of the product. Pay attention to the real measure of capacity, the chlorine output stat, and choose a high volume system to maximize your new systems efficiency and life span. Product functionality Once the water is disinfected, the active chlorine reverts back to salt and the cycle beings again. to ensure your unique pool requirements are met. In a regular pool season, you may need to add a single bag or two of salt to top off your system and keep the salt in the range at or as close as possible to 3,200 ppm. See manufacturer documentation or product manual for full description of warranty limits, pro-ration, & terms. Or you can make it easier on yourself. Keep writing. Discount Salt Pool - The Saltwater Chlorinator Experts. While this smell is actually a result of a buildup of chloramines in the water, salt water pool owners note markedly less chlorine smell after swimming. Its important to note that salt chlorinators do not create a chlorine-free pool. Don't want to wait for this item? People love the benefits: Pool salt systems work automatically every with your pump to keep the pool crystal clear & algae free. That national reach comes with experience, too. Try to maintain a consistent salt level of between 2,700 parts per million (ppm) and 3,400 ppm, with 3,200 ppm being ideal. This chemical helps maintain the right level of pH. Shop products from small business brands sold in Amazons store. They use dissolved salt to create chlorine to clean the pool. Great discounts on the best brands. In terms of cost effectiveness, the use of a chlorinator significantly reduces the expenses of chemicals to treat the pool while eliminating the common side effects associated with them such as itchy skin and red burning eyes. That means soft, smooth, silky water and no more red eyes, itchy skin, bleached hair, or chemical smells. When installing a salt chlorine generator, you can expect to pay more for the equipment and initial setup. Select Intex Krystal Clear Cartridge Filter Pump 2.006L/h, Intex Krystal Clear Cartridge Filter Pump 9.463L/h, Intex Salt Chlorinator For Pools Up To 17 m. Unlike the pool store or pool pros, we're not the last step of a long & overpriced distribution chain. Professional Pool Salt crystallizes early to match the fastest dissolve rates on the market - no more waiting for hours for chlorine tablets to dissolve and produce beautiful clean water. Matt Giovanisci is the founder of Swim University and has been in the pool and spa industry since 1995. Since the cell and the control board dont last forever, you can also expect higher costs when it comes time to replace them as well. Original description available here. People with skin problems, or swimmers with a sensitivity to chlorine, notice the soothing benefits of salt water systems. View in original language. For any issues with an order, please contact us. Amongst the many advantages of the salt chlorine generator is its safety. Youre free to choose the best option for you. Hello! What Size Pool Pump Do I Need for My Pool? Do not wait any longer and place the order of your Pools products. 2022 Model with 1.5 lb. Still, if youre looking for a chlorine alternative, this is one of the best options out there. If you purchased the complete system for $1499, compare that to the equivalent 1200 pounds worth of chlorine tablets, it would be $3600 if you got them cheaply on sale! swiminn offers an exclusive range of Filtration for different kind of activities. Pools They eliminate the need to use hazardous granular chlorine or liquid chlorine and simply do the same sanitation process by a more natural, safer and healthier method. Something went wrong. Have lots of people swimming in the pool? Explore our home, garden & DIY catalogue. The circuit board, on the other hand, is just like any electronic device. You could pour kitchen salt into your pool. 6 Mistakes Pool Owners Make When Cleaning the Pool, How to Care for Your Above-Ground Pool in the Off-Season, How to Open Your Above-Ground Pool Like a Boss. Uses salt or minerals to sanitize the water, Eliminates handling and transportation of hazardous chemicals, No risk of contamination or chemical overdose, Reduces expenses on pool chemicals and pool service. It also allows you to control the amount of electricity sent to the cell, thus allowing you to increase or decrease the amount of chlorine in the pool. INTEX has combined the disinfectant technology of Ozone with the benefits of salt water to offer better sanitation of AGP swimming pools.Only ozone provides a comprehensive and natural cleaning of the water of the swimming pool.Ozone eliminates bacteria up to 3000 times faster than chlorine.In addition, since it has up to 100 times the oxidant power of chlorine, it cleans the water of the swimming pool without the chemical smell associated with chlorine.The Krystal Clear Ozone and Chlorine generator from INTEX is the perfect solution so that pool water is crystal clear, soft and totally clean.This system has a digital control panel with screen.Includes:titanium plates and automatic clock 24 hour/cycle, it also has an additional power button.It has self-cleaning modes:cycles of 6 hours, 10 hours and 14 hours.The chlorine it generates is 11 grammes/hour and the output quantity of ozone is 150 millimetres/hour.The INTEX Krystal Clear chlorinator and ozone system requires a filter with a flow of between 5,678 and 16,140 litres/hour and is recommended for use in swimming pools with a maximum capacity of 56,800 litres/water.The voltage of the device is 220-240V with GFCI (ground fault circuit interrupter).Intex chlorinator and ozone system with digital control panel, ozone output:150 ml/h and chlorine generated:11 g/hr.Requires a filter with a flow of between 5,678 and 16140 litres/hour and swimming pools with a maximum capacity of 56,800 litres/water.It has 3 self-cleaning modes:cycles of 6 hours, 10 hours and 14 hours.Includes:titanium plates, additional power button and automatic clock 24 hours/cycle.220-240V with GFCI (ground fault circuit interrupter). .This item has an European standard electrical connection. Since 1997, we've helped hundreds of thousands of people convert their pool to salt! Standard shipping delivered to most areas in 2-3 business days. Click on the following link to get more information about: Technical questions about this product (3), Write a review about this product and earn CoINNs. The salt is pretty inexpensive, depending on how big your pool is. If you still have a traditional chlorine pool, converting to a saltwater pool system just means adding a chlorine generator. Discount Salt Pool is the largest specialty provider of saltwater swimming pool equipment. Tradeinn Retail Services as the data controller will process your data in order to respond to your query or request. Hello! Salt systems eliminate the chloramines that cause these harsh chemical effects in traditional pools. *Important System Sizing & Warranty Information: Manufacturer's gallon pool size ratings are maximum limits with chlorine generator equipment running at full capacity under ideal conditions & pool use. Find the best deals. At Discount Salt Pool, we're pool owners who want to help other pool owners enjoy the simplicity and the savings of saltwater chlorine generators. Through a process called electrolysis it applies exceptionally low electric voltage to convert low concentration of salt in the pool to active chlorine that destroys organic matters in the water. If youre used to swimming in regular pools, youll notice less eye redness, less itchy and dry skin, as well as less bleaching to bathing suits. Water passes through the cell and over solid plates that are coated with ruthenium or iridium. Here's a quick guide on how salt water generators work and how to choose the best one. phone & online customer support. Choose a larger model to compensate for more demanding pools. Affiliate Disclosure, check Amazon for current pricing and availability, 5 Best Chlorine Tablets for Keeping Your Swim Pool Sparkling, 6 Best Pool Shocks for Keeping Your Pool and Spa Crystal-Clear, 5 Best Pool Algaecides for Backyard Swim Pools, What are the Four Swimming Strokes? Using a salt chlorine generator will allow you to take a lot less time to balance and maintain the water in your pool. You need to sign into your account to leave a review. You may find its easier on you, your pool guests, and your pool. on high-output, long-lifespan saltwater pool systems. We get asked this all the time, how much is a saltwater generator really saving? No need to store, drag around, or dump in buckets of chlorine all the time. This free printable cheat sheet helps keep your inground, above ground, or Intex pool clean and clear without messing with confusing water chemistry. A salt chlorinator (sometimes called a salt chlorine generator) is a sanitation device installed after the filter, on the pipe-line towards the pool.