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	My PH Keeps Falling
Meg's Mom Enthusiast Posts: 208 Kudos: 435 Votes: 10 Registered: 25-Mar-2004	I thought of the kH but wouldn't the pH fall in all of the tanks since the water comes from the same tap ? I do gravel vacs at each water change (so minimum once per week). Would I be jeopardising my bacteria culture if I vacuum more ? I only raise the pH by doing a water change then adding one dose of pH increaser but again, within one week, it will drop to 5 - 5.5. Would crushed coral be okay with my corys ? Also, how/where would I add it ?
Posted 26-Jan-2006 11:18
joe fishy Fish Addict Posts: 605 Kudos: 1355 Votes: 65 Registered: 21-Apr-2003	Check the kH as well. If the water is soft, it can lead to the lower pH you described. You might want to do more gravel vacs; if debris has built up in the substrate, this can lower the kH and pH. Also, you could add some crushed coral to 'buffer' the water; this will raise the kH, and help to stabilize the situation. What you don't want to do is to dramatically raise the pH in a short time, as this will stress the fish, and make ammonia, if present, more toxic to the fish.
Posted 26-Jan-2006 11:18
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