I am wondering why you are saying RO/DI is better than Distilled? They both produce pure water just a different process. Technically speaking if you have bad filters on an RO unit distilled will be purer. Anywho just wondering not really a big deal.
Not entirely true although close. If distilled water purity was equal to that of RO/DI, then labs and critical processes required pure water would be using distilled water. JMHO. Most processes I've seen with water that require purity use RO/DI. You can still have TDS in distilled water and you can still have po4 and no3 in distilled water. As you suggest, not that big of a deal as I think the problems the OP has are bigger than distilled vs. RO/DI.
Well my suspicions were correct! I just got the salifert test kit in today and after doing 3 tests they all came in at between 10 and 25ppm! I did 3 tests with api and all were 40ppm The main reason for questioning api kit was the lack of an algae bloom. In the past with my old tank whenever my nitrates went over 40ppm i always had an algae bloom. i'm going to stick with salifert
Originally Posted by BlackGrandPrix
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