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Old 04-21-2013, 04:54 PM   #1
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Alkalinity

What causes high alkalinity in aquariums?
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Old 04-21-2013, 07:18 PM   #2
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hard water usually
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Old 04-21-2013, 07:21 PM   #3
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Lime stone and crushed coral will increase it as well. What do you have in your tank
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Old 04-21-2013, 09:12 PM   #4
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Lime stone and crushed coral will increase it as well. What do you have in your tank
Limestone most likely, going to pull it out and test.
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Old 04-21-2013, 09:54 PM   #5
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It will take little bit to go back down. What is your tap water reading?
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Old 04-21-2013, 10:07 PM   #6
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It will take little bit to go back down. What is your tap water reading?
You're on to something...

Tap water GH- 75-100
Aquarium water GH- 200-250

Tap water alkalinity- 120
Aquariums alkalinity- 200+


I've been able to lower ph in the past week with a ph reducer with all my rocks in and it has come down from 8.4 to around 7.6.

Should I just pull all those rocks out? One is them is big and I question if it is limestone.
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Old 04-21-2013, 10:38 PM   #7
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It would make everything easier on you, i am sure you have them in there becuase ya like it. If you can find other rocks or decor that can replace it, thats what i would recomend. No more ph reduce solution.
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Old 04-21-2013, 11:19 PM   #8
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It would make everything easier on you, i am sure you have them in there becuase ya like it. If you can find other rocks or decor that can replace it, thats what i would recomend. No more ph reduce solution.
Thanks glad you said that because I would have kept going with the ph reducer. Trying to lower it to be closer to ph levels for Rams.
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Old 04-21-2013, 11:46 PM   #9
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Its not goimg to lower ot alot, but a nice peice of driftwood will lower your ph
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