After reading numerous posts on a few forums, I realize this is somewhat of a testy topic. I know many people have their favorite ro/di system....

I was free and clear from my initial diatom bloom for awhile, but it came back over 2 weeks ago, and it's still present. Last time, my CuC did a...

I just looked at the membrane in my RO/DI unit and realized it is a 100 GPD membrane (Filmtec TW30-1812-100). I got this unit used about a year ago...

Night number 4 of the Lansing Swap Fish Bowl giveaway: Tonight's prize is a TDS meter from Air, Water & Ice ...in order to find out who won,...

Night number 4 of the Lansing Swap Fish Bowl giveaway: Tonight's prize was supposed to be a CR tee shirt. I only have small, medium and large...

So I've got the tank full with 0 tds water, sg to 1025 and temp to 75. I already had the 240lbs of special reef sand (not rinsed) in the tank when I...

I have a 6g food grade bucket that I use for mixing my makeup water in. I use a Koralia 750 for circulation and a 100w heater. Well something's...

How does TDS accumulate in a tightly covered RO/DI top off reservoir? What can I do about it?

I work for a large heavy hauling company in Milwaukee and we were recently hired to remove a very large acrylic tank from a medical office. It's been...

I was asked to get my reef on here for everyone to check out. Nothing to super special. Definitely not TOTM worthy any time soon. Only been up since...

I have the typhoon extreme from AirWaterIce. I am up to around 20 tds when I was at about 2 for like weeks.. Since its been a year its time to...

OK,it's getting close to being time to change filters and Might as well do the DI while I'm there.So I figured I would try the spectra pure DI and...