Sorry, have never heard of Spray and grow so no help there.

Good luck.....it's just a matter of finding out what works for you and what doesn't There's merely a few million more details work out..........
Weedhound Reviewed by Weedhound on . Re-occuring tip burn/WALL of text H=Hydro R=RockWool in Geolite D=Ebb and Flow system, 4 times a day for 30 minutes at a time E= EVERYONE needs to answer lol! E-indoor (grow tent) E-hydroponic E-Rockwool cubes planted in 1 gallon bags with geolite CSL-Geolite Rating: 5