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05-08-2006, 03:17 PM #1OPJunior Member
hydro rocks
I just started my first crop with hydro-- I used lava rocks as my medium but - i was smoking and thinking last night that why do you need the rocks if you water frequently so the plants keep wet. I am using 4 inch rockwhool
does anyone know why you cant not use the lava rock and just have nute water filling an drianing every 3 hours.herby potter Reviewed by herby potter on . hydro rocks I just started my first crop with hydro-- I used lava rocks as my medium but - i was smoking and thinking last night that why do you need the rocks if you water frequently so the plants keep wet. I am using 4 inch rockwhool does anyone know why you cant not use the lava rock and just have nute water filling an drianing every 3 hours. Rating: 5
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05-08-2006, 03:36 PM #2Senior Member
hydro rocks
No support for the plant.
If the root ball is not supported then the plant will not grow very large. The yield will be much less as well.
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05-08-2006, 04:48 PM #3Senior Member
hydro rocks
Originally Posted by Zandor
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