I don’t want to be dumping chemicals into the water, which (a) doesn’t seem to work, and (b) creates the risk of even more stressful pH swings. Optimally, I’d like to get the pH to 7.0 or slightly below. <... I would not do this... unless there are some species (else) that you intend to keep that enjoy a lower pH, hardness range, your water is actually fine> A second, partially related question – can we store deionized water in drinking water gallon jugs for a week or 2, or does stored water absolutely have to be circulated, aerated, etc. for it to be healthy for aquarium use? Antonia Low ph and low alkalinity 28 Jun 2005 Hi there! I had previously written to you about my Betta and his very aggressive behavior towards some black skirt tetras. I’m happy to report that, based on your advice, I took the black skirt tetras back to the pet store and have since added a
