{"product_id":"icecap-200-gpd-reverse-osmosis-ro-di-water-filtration-system-rodi","title":"IceCap 200 GPD Reverse Osmosis RO\/DI Water Filtration System (RODI)","description":"\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\u003cspan\u003eIceCap 200 GPD 4-Stage RO\/DI Water Filtration System\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eIceCap 200 GPD RO\/DI System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-output four-stage reverse osmosis and deionization system designed to produce high-purity water for freshwater, saltwater, and reef aquariums. Its dual-membrane design provides up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e200 gallons per day of purified water production\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it an excellent choice for larger aquariums, multiple-tank systems, frequent water changes, and high-demand saltwater mixing stations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlike a conventional single-membrane RO\/DI system, the IceCap 200 GPD utilizes \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo 100 GPD Dow FilmTec RO membranes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This configuration increases purified-water production while making more efficient use of the wastewater produced by the first membrane.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFour-Stage Filtration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStage 1 – 5 Micron Sediment Filter\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe polypropylene sediment pre-filter removes suspended particles such as dirt, rust, sand, and other debris from the incoming water. This protects the carbon filter and RO membranes from premature fouling and helps maintain consistent system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStage 2 – 5 Micron Carbon Block\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe carbon block reduces chlorine, organic contaminants, and other compounds that can damage RO membranes. Proper carbon filtration is especially important for protecting the two Dow FilmTec membranes and maintaining their rejection performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStage 3 – Dual 100 GPD Dow FilmTec RO Membranes\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eTwo \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDow FilmTec TW30-1812-100HP membranes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provide the primary purification stage and give the system its rated production capacity of up to 200 gallons per day.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe RO membranes typically reject approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e96–98% of dissolved salts under specified operating conditions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, dramatically reducing dissolved solids before the water reaches the DI stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe dual-membrane configuration also makes more efficient use of source water than simply operating two independent RO systems. Wastewater from the first membrane is utilized by the second membrane, increasing total purified-water production while reducing the amount of wastewater produced relative to the amount of purified water collected.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStage 4 – Refillable Deionization Cartridge\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAfter passing through the RO membranes, the water is polished through a refillable DI cartridge containing \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-capacity color-changing mixed-bed deionization resin\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DI stage removes the remaining dissolved ions that pass through the RO membranes, producing extremely low-TDS water suitable for demanding reef and aquarium applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe cartridge can be opened and refilled with replacement DI resin rather than requiring replacement of the entire cartridge.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Output 200 GPD Production\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWith up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e200 gallons per day of rated production\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this system is particularly well suited for aquarium keepers who regularly need large quantities of purified water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe additional capacity can significantly reduce the time required to fill large storage containers compared with conventional 75 or 100 GPD RO\/DI systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 200 GPD system is an excellent choice for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLarge reef aquariums\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge freshwater aquariums\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMultiple-aquarium systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFish rooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaltwater mixing stations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge automatic top-off reservoirs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequent or large-volume water changes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAquarium maintenance applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWater-Saving Dual-Membrane Design\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOne of the primary advantages of the IceCap 200 GPD system is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edual-membrane water-saving configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstead of simply sending the concentrate from the first RO membrane directly to the drain, the system routes it through the second membrane. This allows additional purified water to be recovered from the incoming water supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnder proper operating conditions, the system can provide approximately a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1:1.5 purified-water-to-wastewater ratio\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it considerably more water efficient than many conventional single-membrane RO systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eActual water efficiency will vary with source-water pressure, temperature, TDS, membrane condition, and other operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBuilt-In Pressure Gauge\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA glycerin-filled pressure gauge provides an easy way to monitor feed pressure and overall system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWater pressure is particularly important with the 200 GPD dual-membrane configuration. IceCap recommends approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e65–80 PSI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for the 150 and 200 GPD systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInsufficient pressure can reduce purified-water production, increase wastewater, and decrease overall system efficiency. Homes or businesses with lower water pressure may require an RO booster pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eManual Membrane Flush Valve\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe system incorporates a manual membrane flush\/flow restrictor that allows increased water flow across the RO membranes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePeriodically flushing the membranes helps remove accumulated deposits from the membrane surface and can help maintain performance and extend membrane service life.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eColor-Changing Refillable DI Resin\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe final DI stage uses high-capacity \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecolor-indicating mixed-bed DI resin\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The IceCap resin changes from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblue to amber\/brown as it becomes exhausted\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing a convenient visual indication that replacement may be approaching.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause color change should not be the only indication of water quality, monitoring final product water with a TDS meter is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStandard Replacement Components\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe IceCap system uses \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estandard 10-inch filter canisters and cartridges along with standard 1\/4-inch RO tubing and push-connect fittings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis simplifies routine maintenance and provides flexibility when replacing sediment filters, carbon blocks, DI media, tubing, and fittings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNo Electricity Required\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe standard IceCap 200 GPD RO\/DI system operates entirely from household water pressure and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edoes not require electrical power\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause the dual-membrane system performs best at higher pressures, a booster pump may be added when source-water pressure is below the recommended operating range.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eProduces up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e200 gallons per day\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFour-stage RO\/DI purification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eDual 100 GPD RO membrane design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTwo Dow FilmTec TW30-1812-100HP RO membranes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWater-saving dual-membrane configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApproximately 96–98% typical RO membrane salt rejection under specified conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5 micron polypropylene sediment pre-filter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5 micron carbon block pre-filter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefillable DI cartridge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-capacity color-changing mixed-bed DI resin\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGlycerin-filled pressure gauge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual membrane flush\/flow restrictor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic shutoff valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDurable clear filter canisters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStandard 10-inch replacement cartridges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStandard 1\/4-inch RO tubing and push-connect fittings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation tubing and connection accessories included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUniversal filter wrench included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarden-hose feed-water adapter included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo electrical power required\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProduction Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to 200 GPD\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFiltration Stages:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRO Membranes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 × Dow FilmTec TW30-1812-100HP\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eIndividual Membrane Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 100 GPD each\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTypical Membrane Salt Rejection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 96–98% under specified conditions\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Feed Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 65–80 PSI\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMinimum Recommended Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 65 PSI\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum System Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 150 PSI\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOptimal Feed Water Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 77°F (25°C)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Water Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 90°F (39°C)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFeed Water pH Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2–11\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTypical Product-to-Waste Ratio:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 1:1.5 under appropriate operating conditions\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTubing Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/4\" RO tubing\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFilter Canister Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard 10\"\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 16\" L × 6.5\" W × 18.5\" H\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIncluded\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIceCap 200 GPD RO\/DI filtration system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5 micron sediment pre-filter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5 micron carbon block filter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTwo 100 GPD Dow FilmTec RO membranes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefillable DI cartridge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eColor-changing mixed-bed DI resin\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGlycerin-filled pressure gauge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual membrane flush\/flow restrictor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic shutoff components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePolyethylene RO tubing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarden hose feed-water adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBall valves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrain saddle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUniversal filter wrench\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation fittings and accessories\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Water Pressure Considerations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 200 GPD system requires more feed pressure than IceCap's lower-output systems. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eApproximately 65 PSI or greater is recommended for proper dual-membrane operation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with 65–80 PSI being the preferred operating range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf source pressure is too low, actual production may be substantially lower than 200 GPD and the system may produce excessive wastewater. An RO booster pump is recommended when adequate pressure cannot be maintained.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 200 GPD rating represents production under specified membrane test conditions. Actual production varies with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ewater pressure, water temperature, source-water TDS, membrane condition, and pre-filter condition\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Chloramine Note\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf your municipal water supply uses \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003echloramines rather than chlorine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, IceCap recommends using a higher-density carbon block specifically capable of chloramine removal. Standard carbon filtration should not automatically be assumed to provide adequate chloramine protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProper chloramine filtration is especially important because inadequate carbon treatment can shorten RO membrane life.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaintenance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSediment and carbon pre-filters should be replaced periodically based on source-water quality and usage. Restricted or exhausted pre-filters can reduce pressure reaching the RO membranes and negatively affect both production and rejection performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DI resin should be replaced when exhausted. Monitoring the final product water with a TDS meter provides the most reliable indication of DI performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRO membranes can provide several years of service when operated under proper conditions and protected by regularly maintained sediment and carbon pre-filtration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePeriodically flushing the membranes and maintaining adequate feed pressure will help maximize system performance and membrane service life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe IceCap 200 GPD RO\/DI System is an excellent choice for aquarists who need high-volume purified-water production while also wanting better water efficiency than a traditional single-membrane RO\/DI system.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":52735672025370,"sku":null,"price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/7416\/1946\/files\/IC-RI200_IceCap200GPDReverseOsmosisRO-DIWaterFiltrationSystem.webp?v=1787535717","url":"https:\/\/www.wetpetsaquatics.com\/products\/icecap-200-gpd-reverse-osmosis-ro-di-water-filtration-system-rodi","provider":"Wet Pets Aquatics","version":"1.0","type":"link"}