Quote Originally Posted by Rusty Trichome
Tiz up to you and your plants. Is your 600w in a cool tube?
Are you in the middle of summer, or the middle of winter?
in the middle of summer, but weather is like spring, 600hps is in the coll tube,
i lowered lamp to 10 inch for a test and temp is 29,2.

i found somewhere to mix 1/4 perlite and castings, change castings to 1\8?
thank u