What to add to my super acidic substrate for stability - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 04-03-2013, 03:29 AM Thread Starter
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What to add to my super acidic substrate for stability

I'm setting up a second tank for possibly a krib pair since my very favorite and missed Betta recently passed. And well my substrate choice is highly acidic, peat moss capped with Amazonia. I need something to keep the ph from going too low. What can I add to the substrate to keep the oh stable?


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post #2 of 6 (permalink) Old 04-03-2013, 11:28 AM
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I have seen many use Seiryu stone or something similar to maintain a minimal TDS. Some Coral chips in the filter could also help.

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post #3 of 6 (permalink) Old 04-03-2013, 02:04 PM
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I added crushed coral substrate for a reef tank to the soil on my last dirted tank.
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post #4 of 6 (permalink) Old 04-03-2013, 04:41 PM Thread Starter
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What to add to my super acidic substrate for stability

Does it help keep it stable or just raise ph? I'm gonna have to try it gonna find someone local that wouldn't mind giving me a cup full


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post #5 of 6 (permalink) Old 04-04-2013, 03:31 AM
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Peat moss tends to remove positive ions from the water, like Ca++ and Mg++. Obviously, this is what we measure as GH.
Replacement needs to be with something that contains Ca and Mg.
Some peat does this more than others.
Peat adds H+ to the water.

Amazonia and many other substrates remove the carbonates from the water.
Without carbonates the pH can vary according to whatever else is in the tank. In this case, the H+ from the peat moss, and the organic acids will lower the pH, and it may get below 6.

I would add some minerals to the filter, and adjust the dosage until you have the right amount in the filter. You can add some of the same material to the substrate, but if you add too much it is impossible to remove just the mineral source.

Oyster shell grit (sold for caged birds like Budgies)
Coral Sand
Limestone based fine gravel or sand

Are all possible materials for this purpose.
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post #6 of 6 (permalink) Old 04-04-2013, 05:11 AM Thread Starter
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What to add to my super acidic substrate for stability

Thanks a lot for the specific reply I'll put the coral chips in media bags


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