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Captive Purity 35 GPD Pro RO/DI Filter System - Clear Canisters

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Captive Purity

Captive Purity represents the highest quality in reverse osmosis technology. Captive Purity Reverse Osmosis Systems meet stringent standards and far exceeds the quality of systems from other manufacturers. A wide variety of options ranging from economy 2-stage units to top of the line 4-stage RO/DI units are available to suit your exact needs. Drinking water systems and custom installation solutions are available. Captive Purity Reverse Osmosis Systems are engineered and manufactured under strict guidelines to produce extremely pure water with exceptional focus on minimizing phosphates and silicates. This is a very important feature for reef aquariums.

  • Remove over 98% of all ionic impurities.
  • Remove over 95-96% of organic impurities.
  • Remove colloidal and particulate impurities.
  • Remove micro-organisms and pyrogens.
  • Remove chlorine, chloramines, pesticides, etc.
  • All systems include a non-corrosive 3/4" plastic garden hose adapter (non-brass).
4-stage Pro RO/DI System Features:
  • 1 micron sediment prefilter.
  • Very high efficiency 0.5 micron carbon prefilter
  • High silica and phosphate rejection TFC membrane.
  • Pressure guage and electronic purity monitor for easy monitoring.
  • Quick connect and disconnect John Guest Super Speedfit fittings.
  • High silica, phosphate, and nitrate rejection DI cartridge for ultra-pure water.
  • Includes non-corrosive 3/4" plastic garden hose adapter (non-brass).
  • The Captive Purity 4-stage Pro RO/DI is a titan among water purification systems offering unparallelled performance in both craftmanship and water purity.
  • Clear Canisters.
**Receive 15% off your replacement sediment filters, carbon filters and membranes when you purchase RO/RODI unit from us.

All systems include a non-corrosive 3/4" plastic garden hose adapter (non-brass).

Note: A flush valve can significantly enhance the life of TFC membrane by flushing out any harmful impurity from the membrane.


Product Manuals & Documentation

Captive Purity 35 GPD Pro RO/DI Filter System - Clear Canisters

Owner's Manual available for download in Adobe PDF file format

Manufacturer Info

Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.

28 Reviews

EDISON GOMEZ from CLIFTON, NJ UNITED STATES

11/01/2013

Experience Level: Intermediate

exellent

costumer service was amazing! i called about the filter that i got which it was braking the canister and they send me a new canister for free and like 3 months later i call again about the same problem and no questions ask i got a new filter for free!!!! it's working perfect!!!!! thank you marine depot

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GORDON ROBINSON from MOSES LAKE, WA UNITED STATES

10/02/2013

Experience Level: Intermediate

Cracks,cracks and more cracks

When unit arrived one of the canisters was cracked. It was replaced and a few weeks later I arrived home to find water spraying everywhere and my utility room flooded. another canister had cracked. They sent me two replacement canisters, one extra just in case. I removed all three canisters, inspected the seals and then installed them hand tight. About a month later another canister cracked and sprayed water everywhere. and finally today another cracked. They are sending me another unit by a different manufacture

3 out of 3 found this review helpful

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HUNG THAI from HERCULES, CA UNITED STATES

08/09/2013

Experience Level: Intermediate

Superior products

I bought this unit for my aquarium and all my fish love this clear and fresh water .recommended

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TAMER ALY from HOUSTON, TX UNITED STATES

04/03/2013

Experience Level: Expert

poorly made

this is the second unite i bought, and just like the first one, the unite arrived with two cracked canisters.(Customer Service replaced them)the disturbing part is with the first unite one of the canisters did not crack until the pressure built up in the unite by the auto top off system . In my opinion this is a poorly made piece of equipment .

2 out of 2 found this review helpful

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IVAN LORENZANA from Lakewood, CA UNITED STATES

04/17/2012

Experience Level: Intermediate

RO system

one star only because the setup was pretty simple, but as soon as i got everything hooked up and turned the water on one of the filter canisters began to spray water out. i looked and noticed the o-ring kinked, so i applied some teflon putty and it did the trick. water was flowing, pressure was holding; so after about 3 hours of checking i was happy and went to sleep. next morning i woke up and went to check on the ro system and walked into a stream of water flowing from another filter canister...i had enough and replaced with another system. waiting for the new system to arrive. fingers crossed

2 out of 7 found this review helpful

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MISTY WRIGHT from Corona, CA UNITED STATES

02/28/2012

Experience Level: Beginner

Nice Product

I like making my own water and this system appears to do a good job. The two things I dislike are the speed at which it produces the tank water which is quite slow (I get two 5gallon canisters of waste water to one 5gallon canister of tank water, which seems like quite a waste. So, I purchased a water cooler so that I can stop wasting so much water). Second is that the instructions were not very clear, but I contacted customer support and they were awesome, providing me with answers via links I could watch or via email. Thanks

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ARNOLD BELL from Woodbridge, VA UNITED STATES

02/04/2012

Experience Level: Intermediate

Captive Purity Pro RO/DI Filte

Great Water System.....! Started off little rocky because when I got the system a part was broken in shipping ...but once I called customer care with no questions asked sent me another system overnite and I got it within 48hrs. I had no problems hooking up the Captive Purity water system....instructions were simple and easy to use.....I would recommend the system to family and friends

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JORGE DELACRUZ from SAN ANTONIO, TX UNITED STATES

02/22/2011

Experience Level: Expert

GOT RO/DI

this is a super product. works very well. the tds meter is a must to judge your filters life. it exceeded my expectations on durability. the filters are easy to change out, i do mine often. my tfc membrane lasted 5 years. JMFJ.

3 out of 3 found this review helpful

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MIHKEL from UNITED STATES

05/12/2010

Experience Level: Intermediate

RO/DI

My recent R.O. filter purchase has been a positive experience, I am very satisfied with the captive purity brand. The water quality it produces is above average and very efficient in production time. For the price it is so far the best filter I've purchased to date out of four over 12 years. Thankyou again!

2 out of 2 found this review helpful

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Aaron from So. Cal

01/08/2010

Experience Level: Intermediate

Makes Great Water

It was very easy to get it working. I would guess that the product/waste ratio is 5:1. I was going to install it under my tank for topoff where I have an existing water supply and drain. But after seeing how much waste water is produced, I left the unit unattached and drain the waste water into my pool. Or I find other uses for it. My incoming TDS is over 400, and it comes out at 000. I have only had the unit for a few weeks, so I don't know how long the filters will last.

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