The Planted Tank Forum - View Single Post - Crushed Coral - Is it sustainable?
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Old 12-03-2012, 09:22 AM   #5
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Considering the rate of decline of coral due to rising sea temps and the poaching of wild corals for profit, crushed coral seems to further fuel the exploitation of this environment. I'll personally turn to gh booster and baking soda to raise my gh and kh as these tend to dose better in more controllable amounts with more predictable results.
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