300w CFL when to move to 600w dual spec?

stompin

New Member
Hi Guys,

First newbie post I germed some seeds in root riot and it works great 100% without tissue method nearly all popped within 2 days. After a week I transplanted 3/4 of to 60/40 coco and clay mix in 1 liter pot a couple of days ago and they seem fine cople of late starter are stioll in riot. Question is they are about 2-2.5" in pot when do I move them to the higher wattage hps light without shocking them?

Thx in advance!
 
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