You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.
This site may earn a commission from merchant affiliate
links, including eBay, Amazon, and others.
-
N
ive got a 400watt mh light,grow room is 4" x 2" 6" in height plants 1 week old how far from the top shud the light be from the plants?