The Planted Tank Forum - View Single Post - Magnesium difficiency?
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post #11 of (permalink) Old 12-19-2012, 04:39 PM
Planted Tank Obsessed
Join Date: Dec 2012
Location: In an aquarium nearby
Posts: 447
Get a hold of your kH value. If the kH is high you don't have actual CO2 in your water. You will need to lower kH to have more CO2 available to your plants. You either lower kH or increase CO2 input.
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