The Planted Tank Forum - View Single Post - Ultilmate fertilizer for faster plant growth

Seattle_Aquarist · 06-12-2012, 03:47 PM

Hi Happi,

Plants absorb their nitrogen first from nitrates, secondly from ammonicial nitrogen sources, and finally from urea. I know that urea is inexpensive but why use a source of nitrogen that plants cannot uptake efficiently?

06-12-2012, 03:47 PM	#6
Seattle_Aquarist Planted Tank Guru (View User Tanks) PTrader: (25/100%) Join Date: Jun 2008 Location: Seattle, WA Posts: 2,025	Hi Happi, Plants absorb their nitrogen first from nitrates, secondly from ammonicial nitrogen sources, and finally from urea. I know that urea is inexpensive but why use a source of nitrogen that plants cannot uptake efficiently? __________________ *Roy* 45 Gallon Tall; 96 Watt AH Supply CF; 6700K; & 30 Gallon Long; 2X36 Watt AH Supply CF; Press. CO2; UGF; Heat Treated Montmorillonite Clay Greater Seattle Aquarium Society (GSAS)