315 CMH for seedlings

G

Green Refuge

Well-Known Member
Can I use my 315 cmh hung up 4 or 5 feet on 2 day old seedlings ? I have nothing else with less power to use on them at the moment. Only other option is an hlg 550 dimmed all the way down.
 
PadawanWarrior

PadawanWarrior

Well-Known Member
all coco said:
I've used mine about 40 inches away. The HLG dimmed down would definitely be more efficient if your space doesn't need the heat of the CMH.
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A agree. I would use the 550 dimmed. I think it goes as low as 60 watts, but I don't know for sure. Unless he needs the heat though like you said.
 
G

Green Refuge

Well-Known Member
PadawanWarrior said:
A agree. I would use the 550 dimmed. I think it goes as low as 60 watts, but I don't know for sure. Unless he needs the heat though like you said.
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I usually run a 200 watt heater but with the CMH on it's not needed. I will end up using same amount of power both ways because the heater is needed with the hlg. I guess I'll stick with the cmh and see what happens.
 
PadawanWarrior

PadawanWarrior

Well-Known Member
Green Refuge said:
I usually run a 200 watt heater but with the CMH on it's not needed. I will end up using same amount of power both ways because the heater is needed with the hlg. I guess I'll stick with the cmh and see what happens.
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I love my CMH. My favorite is actually CMH with QB's.
 
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