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post #2 of (permalink) Old 11-15-2014, 01:02 PM
brandon429
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post kh reading

yes it can occur. early digestion of protein (the organic compounds in the soil) by bacteria defininately yields acid so your water needs to be able to compensate for that well

your tests if accurate imply soft water

all you need is a bunch of pre emptive water changes that dont stir up the substrate until this lessens and it will run your plants well

lastly, several threads have come about lately regarding air stone use and why they may impact your issue by offgassing co2. temp spikes in co2 is another possibility in early organic digestion done by aerobes. for one night try an airstone ran in the front of the tank, not mounted permanently its just a chance. this has a 50% chance of fixing the issue too, if not you need better buffering.

small old reef tank:

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