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Oreo · 05-29-2009, 06:11 AM

Just measured this morning. Been about 12hrs since I dosed 5g of KNO3 to 70gal and I get a 3.9ppm. So I dosed another 5g. Either I've got some crazy hungry plants or something else is using a lot of nitrates!

For comparison, in those same 12hrs .29ppm of PO4 had been used.

05-29-2009, 06:11 AM	#2 (permalink)
Oreo Junior Member Join Date: May 2008 Posts: 27 iTrader Ratings: 0 Plant Points: 2050	Re: How fast can plants take up NO3? Just measured this morning. Been about 12hrs since I dosed 5g of KNO3 to 70gal and I get a 3.9ppm. So I dosed another 5g. Either I've got some crazy hungry plants or something else is using a lot of nitrates! For comparison, in those same 12hrs .29ppm of PO4 had been used.