The Planted Tank Forum - View Single Post - Are scale inhibitors aquaria-safe?
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post #3 of (permalink) Old 05-09-2017, 07:24 PM Thread Starter
Ameisen
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Apparently, it's a polyphosphate filter - as per their description, it "binds calcium and magnesium so that it cannot precipitate", and also "coats pipes and appliances".
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