i use a BRS 4 stage economy system ro/di unit. I had it tested by my LFS at 0 TDS. But then i made around 60 gallons worth to fill up the sump+tank and I made around 30 gallons from then on for topping off and waterchanges for my bc14. I thought it said on the box that it would last for up to over 1000 gallons but i dont know for sure. I dont think northwest pennsylvania(not pittsburg) would have that bad water quality. How can you tell when the resins are used up?? I will have to get it tested again. I always thought that i would only get a diatom bloom since I used ro/di water?
Could it be my dry rock from reef cleaners leeching phosphates?. or what about my dry sand(carib sea oolitic)?? Thanks for the help
Could it be my dry rock from reef cleaners leeching phosphates?. or what about my dry sand(carib sea oolitic)?? Thanks for the help
