I use RODI H2O for my 125 gallon combination fish and coral saltwater tank. I have 125 lb live rock and live sand inside. I test the TDS of the H2O that I just make (prior to mixing salt) and get a TDS reading of zero; however the measured Phosphate reading is at 0.5. Additionally my Nitrate reading continues to read about 10-15; never dropping lower. I have been using Phosphate absorbing media bag that I place in the sump where there is high water flow. I also have flourishing green algae that seems to grow wild within a week to two. This requires aggressive and time consuming brushing of live rock and cleaning sand bed and performing weekly 15 â€"œ 25% water changes.
I also can't understand why I have Phosphate with a Zero TDS reading?
Does anyone have any suggestions on fixing any of my key issues to get my phosphates down, nitrate lower, and reduce green algae spurts?
Any information would be greatly appreciated.
I also can't understand why I have Phosphate with a Zero TDS reading?
Does anyone have any suggestions on fixing any of my key issues to get my phosphates down, nitrate lower, and reduce green algae spurts?
Any information would be greatly appreciated.