What is the optimal # of 4" rockwool cubes on a rockwool slab?

I

Ingvar

Member
Hey folks,

For those who may have taken the above approach (4" rockwool cubes on rockwool slabs), how many plants would you recommend be placed in the slab - 3 or 4?

I see most setups use either 3 or 4, and I'd love to know if having up to 4 plants will leave enough space for the roots to raise the girls to be tall enough. What is "enough"? I'm targeting about 4' tall plants for an indica strain that got to be 4' feet tall when grown in 3 gallon pots.

Appreciate your input in advance! :)
 
horribleherk

horribleherk

Well-Known Member
I used to use the 12x36" slabs & ran 3 plants in 4x4 blocks 6x6 blocks would give you slightly greater root area if you were to run 4 plants to a slab I've never tried it but see no reason why it wouldn't work
 
I

Ingvar

Member
horribleherk said:
I used to use the 12x36" slabs & ran 3 plants in 4x4 blocks 6x6 blocks would give you slightly greater root area if you were to run 4 plants to a slab I've never tried it but see no reason why it wouldn't work
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I'm already in 4x4 cubes and trying to avoid using larger cubes. This is why I'm looking at the slabs. I'd really like to understand how much of a difference it would make to have 4 plants instead of 3 plants per slab. If it's marginal, I'd be happy :)
 
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