i know it sounds funny but....it is just a thought that cross my mind every time im going to fill my co2 tank...
everytime im going to fill my co2 tank i c dozens of N tanks - what kind of N is it? if its NO3 , can we use it to control the N level in our planted tank?
everytime im going to fill my co2 tank i c dozens of N tanks - what kind of N is it? if its NO3 , can we use it to control the N level in our planted tank?