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Joined: 22 Jul 2003
Location: TX

PostPosted: 2003.08.21(Thu)13:23    Post subject: Reply with quote

what should be my target KH level? If it varies what determines what level you pick? my gh is 6, by the way, and my pH has been stable so far. would regular water changes (10 percent a week) be enough to keep it stable? I guess I'll just have to keep measuring and see.

I didn't get any feedback on this - how do I make sure that there isn't any bleach leftover in the driftwood? would it be safe to assume that if some fish are still OK after four days there isn't any left?
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Joined: 31 Jul 2003
Location: East Yorkshire, UK

PostPosted: 2003.08.21(Thu)15:38    Post subject: Reply with quote

Your target KH level should be no less than 4KH in my opinion but higher than this is fine, it just stablises your pH even more.

Adding Baking soda (not baking powder) will increase your KH but as you add more it pushes your pH up too and will eventually stop at 8.2 pH.
You are obviously looking to have soft, slightly acidic water for barbs, tetras etc. Increasing your KH does not have to effect this, your low GH is the soft water and your pH can be lowered by injecting CO2 or filtering though peat.

Like Irons said, measure out a gallon of water and test adding a little baking soda to see how it effects your KH and pH. Once you know this and know how much your tank KH falls in a week you can work out how much water at what KH to add per week! Phew! Very Happy

As for the driftwood I would give it a thorough scrub under running water and then let it soak in a bucket of fresh water for a day. This should ensure it is safe.
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