How far away should a 125watt cfl be?

Anyone know how far I should keep a 125watt cfl from a plant?

Hey brother .... My suggestion is to rely on the simple back-of-hand test. See how far your hand can be from the light without burning it. Thats how far the plant can also be
I hope this helps

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close as you can get it to the plants as suggest above also have a fan blowing over the tops of the plants can get light even closer . to close burned . to far away they stretch and that's just as bad as burned in my book .