Expired Additives/Medications - The Planted Tank Forum
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post #1 of 2 (permalink) Old 02-01-2015, 11:26 PM Thread Starter
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Expired Additives/Medications

Is there any danger to using expired additives? I have some fungus cure that is several years past the expiration date and was wondering if it is safe or just loses potency?
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post #2 of 2 (permalink) Old 02-02-2015, 01:32 AM
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It probably just loses potency. I don't think it turns into anything toxic. Just won't do the job very well.

What is the active ingredient?
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