ro or di

Hello all, OK so I just bought my first RO/DI unit second hand, but the thing runs like a champ and its practically new! I keep Apistogramma and I'm curious as to how you all treat and buffer your water so that it's the same every time. What do you do?

Comes with new never-used cartridges, membrane and resin, as well as a full extra set plus alternate 50 GPD restrictor (for systems with low water pressure. Barrel is gray plastic with mosquito-proof lid and twin taps - one is at height to fill 5-gallon bucket. $200, all fittings, plug & play...

Will be there this week friday and saturday, coming in from cleveland Ohio cichlid association, looking for any club members that might be close to there that have fish for sale. Also have an RO/DI for sale as follows Have an ro/di I bought from a friend to help him out, thought I may use it...

Hi All, My tap water's Ph. ranges from 7.6-8 normally. I was concerned about "other" factors in my water. It's also fairly hard. I don't recall the exact measurment. Maybe 150-200ppm. I was going to use an RO/DI system to remove "other" factors in the water I can't test for. I'm...

Hey all, I got this unit used 5-6 years ago for making reef tank water. I haven't used it in some time and am pretty certain that I need to replace the cartridges in it. My issue is that I have no idea what each section is and what it does. I don't believe that all of the pieces are even...

I stumbled upon a kent marine ro/di unit for a reasonable price. My question is, for those of you out there that use ro water, why? Don't most fish adjust to local water conditions, especially if you are getting your fish from others in your same area. What are the benefits of having/using...

I'm not sure if this is the 75/100 GPD model. I've never used it. Picked it up from a guy that had two. I'm have it listed on CL for 150, but I'm willing to take any reasonable offer. https://post.craigslist.org/manage/2710957129/xmtbd

My wife wants the bathroom back. Priced to sell! Kent Maxxima 60gpd 4-stage RO/DI unit RO Flush Kit (New, never used) 50 gallon trashcan (rectangle with rear wheels) for water storage Mag 18 pump to return water to tank(s) Hydor Koralia Nano (circulation in trashcan) 250w Ebo Jager...

Anyone has one for sale? Portable unit would be awesome!