09-27-2011, 06:20 PM
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Dry Fertlizer Question
I trying to determine if I have this doseing correct..
Is this correct: 10tsp of KN03 in 250ml of water gives N03 as 1ml = 0.73ppm, so 10ml would be 7.3ppm and I would do this in my 72g 3 times a week to reach the weekly of 20ppm.
I also read that you can add 1 tablespoon to 250ml each 1ml will result in 1.08ppm of N03 in 10 gallons. So I have 72 g of water. So 7ml = 1.08 in my tank... To get to my target of 7ml 3 times a week I would need to dose what?? 7X1 to get to my tank size and then7 times the 1.08ppm to get the dose... 49ml three times a week.. Sounds high but this is the only I can figure it out..
Once I figure how much to add to 250ml for the KN03 premix
and then a dose for the 72gal tank
I'll be fine with the other fertilizer.
Really hope I made sense here..
I really would appreciate and help you can give me..