Aquatic Life DI Color Changing Mixed Bed Resin Cartridge, Aquarium, Hydroponics

I have purchased a bunch of these over the years and they consistent bring my TDS down to 0 for my RODI water supply. Make sure to double check the caps as they sometimes come delivered untightened and can leak after installation

I like the ease of the RO Buddy unit. No messy wet used resin to dump, no filling and packing resin or no cartridge to rinse. Simply exchange a couple of connections and install the water lines.

I bought this to add DI to an existing RO (hydrologic stealth ro 300). it easily keeps up with the flow, my RO is reducing my incoming water from 400 ppm to under 10 and the di filter is reducing it further to zero. Not 1, not 0.1, Zero. it works great. I got over 100 gallons through my first filter, and im using it to feed a 20 gallon tank that i can store for car wash water. one issue i had was that my water pressure in my house was not consistent and the system was backfeeding through the DI filter and using it prematurely. I added a check valve to combat this. Really its only an issue for me because i have a pressurized tank on my output side. The filters are also refillable if you would like to reduce costs.

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TDS 0!!Haven't had to refill resin in over a month.We can tell the difference even after the ROSuggestions for those comments I read.You need a RO system before this cartridge.It is a finisher not for full filtering.I also have a water softener on whole house.For the comments on difficulty opening and resealing cartridge.Hard to open first time. They fill it with resin rather full.Before putting top back on I suggest you use a bit of gasket lube (food grade) on seal and threads.You need to tighten well or it will leak. I was able to open and close easily with no leaks.Might want to put a elbow on supply side (bottom) to prevent kinking of line.I would recommend to all.

Simple install, just add a 1/4” T and a valve to RO water out line and clip this thing on. Take a little bit of time to make 5 gallons for spot free carwash. I use a battery power pressure washer gun to wash down and final rinse.

Used this filter on the the rodi water for my fishes water changes works just as intended happy with the product

Works fine but doesn't seem to last as long as other brands.