YEs, If your not useing food grade plastics in your Organic production, your going to have problems with mataining your nutes, ppm, ph and every thing.
Easy mistake I made it, you might me to.
Veg stage,
DynaGro 5ml/3.5 gal hard wate
175w Merc Vap, 2x 65k 26Watt Cfls
Wait abit to Add:
Luqid sand (2ml)
Berry Sweet (35ml)