I got some seeds germinating been about 5 days now.Plan on grow them in a hydroponic drip system.What ph should i try to keep my reservoirs at?And what is the max ppm for this variety??
toastynoodles said:With a ph meter and a tds or ec meter.
Alex818 said:Did some reading on EC vs. TDS meters and they say that the EC meters give a more accurate reading. True/False?
Do the EC meters give you a number so you know the PPM's or is it only the TDS meter that does that? It seems like when people discuss nutes they refer to PPM's. Sorry, never used either devices before.. just a PH meter.
willard3 said:If you get a ppm meter many places on the web have ppm/EC conversion charts.
Here's one I have:
Alex818 said:Willard3, Why is there a 500 and 700 PPM measurement. Im a little confused about that part. Which is the common one to go by?