Old Reviews Help choosing Si.

[nizmoKush]

I know there's a couple different silica out there and was wondering which one would be best for some autos. I will be growing some mephisto genetics outdoors and well the heat here is hot everyday over 97.

 

[Gatorbackbob]

I'm using it for the first time this round, I chose dyna gro protect, budget friendly and the percentage seems to be pretty fair