The Planted Tank Forum - View Single Post - Plant crisis please help urgent
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post #15 of (permalink) Old 04-02-2015, 01:59 PM
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Originally Posted by Deepamar View Post
I am using a 30watt light and water changes weekly but did a water change after 2 weeks dosing SEACHEM fertz twice as described
FWIW, I am using Seachem Nitrogen, Phosphorus, Flourish Comp and Excel on a small 5G tank that I feel would be a bit inaccurate with dry ferts, and I am finding that I have to dose at 5-10 times the 'Beginner' recommendation on the Nitrogen/Phosphorus bottle in order to reach and maintain a decent nitrate (10-20ppm) and phosphate (1-2ppm) level. I am also having to dose twice the amount of flourish to fight signs of iron deficiency.

I strongly recommend picking up nitrate and phosphate test kits to get an idea in your head of what your actual fertilizer levels are.
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