ramfan
Aquarium Advice Apprentice
tesing only testing
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ferret said:Perfectly fine tuning it is probably unnecessary. It doesn't have to be 7.3421. But you should definately have a target range of something like 7.0-7.5. If it suddenly drops to 6.0 there's a problem most likely, and can stress/shock the fish.
Ironically, I never check my phI should, but I don't. My tap is 7.3 which is fairly decent for all my tanks but my 90 gallon, which has crushed coral in one of the filter buckets.
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