like CR said... without a doubt if its placed right over it. what size tank? its much better to have 2 MH's on either side of the tank. it will cost a bit more but it'll give more even lighting and you wont melt the brace.
like CR said... without a doubt if its placed right over it. what size tank? its much better to have 2 MH's on either side of the tank. it will cost a bit more but it'll give more even lighting and you wont melt the brace.