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Old 03-22-2018, 12:59 PM   #1
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Ph question?

Since the 12th my ph has been 7 then on the 19th through 20th 7.2. Then on the 21st I checked the ph two times at different times and it was 6.8. I tested today and now it's 6.4! I know my tap water is 7.8 out of the facet. Is this worth doing a water change to try and raise it? I have also heard that low ph can cause bb to die or go dormant?
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Old 03-22-2018, 01:13 PM   #2
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I'd say stick to schedule of weekly 50% PWCs.

What do you have in your tank? Fresh piece of DW that is leaching?
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Old 03-22-2018, 01:18 PM   #3
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I do have some wood but I soaked it before adding. I do my wc on Fridays, should I do it today instead?
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Old 03-22-2018, 02:18 PM   #4
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Originally Posted by LuckyWanderer View Post
I do have some wood but I soaked it before adding. I do my wc on Fridays, should I do it today instead?
Buffering substrate?
kH value of the tank water?
kH value of the tap water?

Soaking wood won't do much if anything for pH. Also, let tap water sit for 48 hours prior to testing pH to off gas and be a more representative sample of what the tank pH should be.

A stable pH is best, anything from 6.0-7.8 is pretty good.
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Old 03-22-2018, 02:23 PM   #5
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Are you using liquid test kit or strips?
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Old 03-22-2018, 02:28 PM   #6
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Buffering substrate?
kH value of the tank water?
kH value of the tap water?

Soaking wood won't do much if anything for pH. Also, let tap water sit for 48 hours prior to testing pH to off gas and be a more representative sample of what the tank pH should be.

A stable pH is best, anything from 6.0-7.8 is pretty good.
Won't a ph below 7.0 mess up a cycled tank or kill BB? I don't have a kH test so I don't know the value of either. I don't have a buffring substrate, I think its a silica coated sand or something like that. During cycling I had normal ph values thats why this worried me. I Have some water that I let sit out since yesterday that I tested today. The ph was 6.8.
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Old 03-22-2018, 02:30 PM   #7
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Are you using liquid test kit or strips?
Liquid test kit.
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Old 03-22-2018, 02:33 PM   #8
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With degassed tap water testing that low, I think you may have to look into a kH booster, with low kH you might experience (which you are) varying pH values and a low pH (from driftwood).

a pH of 6.0 is fine for established bb, and is fine for cycling it just may take a little longer.
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Old 03-22-2018, 02:37 PM   #9
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Fluctuations in pH is not good. Many fish can adjust but you need to fix it. I am not expert about pH but please never use any chemical to lower or increase pH. It will result in pH crash. Maybe check if you have any stones that causing pH fluctuations?
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Old 03-22-2018, 02:38 PM   #10
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With degassed tap water testing that low, I think you may have to look into a kH booster, with low kH you might experience (which you are) varying pH values and a low pH (from driftwood).

a pH of 6.0 is fine for established bb, and is fine for cycling it just may take a little longer.
Which booster would you recommend?
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