I've used 24/0 and it works fine, but I've heard people say that the plants don't grow noticably faster than 18/6, so if you're using high wattages it makes sense to use 18/6 to save electricity, otherwise 24/0 should be fine.
phytokind Reviewed by phytokind on . 24/0 or 18/6? So, which is really better? Can people who have tried both share thier experiences? Rating: 5