How deep do i put grow block in hydroton?

Bablok

Member

• Jul 1, 2011

• #1

About how many inches deep in the hydroton should i put the grow block?

 

W

wiseguy316

Well-Known Member

• Jul 1, 2011

• #2

only has to be deep enough so you can cover the rockwool if you are not using root guards.

 

Bablok

Member

• Jul 1, 2011

• #3

what are root gaurds and if i am using them how deep?