Phosphates and Potassium - The Planted Tank Forum
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post #1 of 2 (permalink) Old 08-08-2017, 08:00 AM Thread Starter
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Hello. I Have an issue with Green spot algae. I have done a lot of reading on this. One person told me raise my potassium. Everything I have been reading mentions PO4 not K. What is the reltionship between the two and does K have an affect in GSA?

Also side note is there a visual cheat sheet for what plants look like upon over dosing ferts along with trace mineral resources?

Thank you!
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post #2 of 2 (permalink) Old 08-08-2017, 09:54 AM
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GSA is typically brought on by lower po4 levels. Every time I had it, raising po4 levels cleared it right up.

Just a noob

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