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I have a confusion (for a change?), Its about the readings on my spiffy Hanna
TDS meter. What is soft and what is hard. Is 150 still Soft? Is a 350
How soft is tolerated by our Killies like A australe? They can't tolerate
fully RO water can they? Also someone mentioned that RO water is Acid. Mine
comes out 000 TDS and 7.0pH. Peat filtration adds TDS and drops pH, right?
I'd appreciate clarification from you guys who know.
Thanks in advance.