The Planted Tank Forum - View Single Post - How to tell deficiency
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post #6 of (permalink) Old 01-29-2013, 08:01 PM
Planted Tank Obsessed
Join Date: May 2011
Location: Silver Spring, MD
Posts: 300
Here are some values to shoot for, depending on the types of plants you have. Some faster growing stems like more Nitrate (i.e. Stargrass), and Anubias are phosphate hogs:
Nitrate: 5-20 ppm
Phosphate 1-3 ppm

Originally Posted by Colorblizzle View Post
Yeah I don't have a scale. And the only one I have available to me is a shipping scale at work and it only goes down to the 10ths of lbs. but ok ok look into the phosphate test kit. I just dosed them I have their lights come on at 10am and I was told its best to fertilize just before the sun comes up so to speak. I dosed exactly what the bottles said except some say twice a week etc I'm only doing all of them once a week. Just did NPK ill do the trace in a few hours
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