PMDD = excess sulphur? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 04-08-2004, 03:06 AM Thread Starter
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I found that PMDD formula provides alot of sulphur from both mgso4 and k2so4. any idea? might this be an excess?
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post #2 of 3 (permalink) Old 04-08-2004, 04:50 AM
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I heard either too much potassium and or sulfur in pmdd. That's why I only add K2SO4 after water change to avoid any excess build up.
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post #3 of 3 (permalink) Old 04-08-2004, 03:39 PM
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yeah, I don't follow a strick PMDD either. I'm adding 5mL of plantex +B three times a week, along with 2mL of iron. After a water change I bring my K levels up with a combo of K2SO4 and KNO3 (if i need to add nitrate...which I haven't in a while)
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