AEROGROWER76 Jan 28, 2009 oh ppms thats just a wat to measure how much solids are disolved in a liquid u dont really need that.i use stock lighting for veg and a 400 w hps for flowering uhhh what are ya doing so far and ill see what u got goin on
oh ppms thats just a wat to measure how much solids are disolved in a liquid u dont really need that.i use stock lighting for veg and a 400 w hps for flowering uhhh what are ya doing so far and ill see what u got goin on