D dendro982 New member Feb 14, 2007 #1 ID this, please: ~1.5". Good, bad, any special requirements? Thanks.
R racrumrine New member Feb 14, 2007 #2 Looks like a sponge to me. I have a similar one growing up high between 2 400W MH SE bulbs on a 180 tank. Though mine is not right under the lights, it's still getting a lot of light. Best of luck, Roy
Looks like a sponge to me. I have a similar one growing up high between 2 400W MH SE bulbs on a 180 tank. Though mine is not right under the lights, it's still getting a lot of light. Best of luck, Roy
