Finally, I can't stand my 15w for my 20G high tank.
I plan to upgrade it to 1.5 wpg ~ 2.0 wpg.
Are there any fixture like :
24" twin light strip T5, 20 w each.
Or 24" twin light strip T8 20 w each.
But from internet all I found are 15w each no matter T5 or T8. So I only can get 1.5 wpg. I am not satisfied with it.
Are these bulb all 18" ? Can I find any like 21" bulb with 18w or 20w output?
Another approach maybe I can try is
PC 1x65 50/50, I think.
But I don't know which is better. Please give me suggestion.
I plan to upgrade it to 1.5 wpg ~ 2.0 wpg.
Are there any fixture like :
24" twin light strip T5, 20 w each.
Or 24" twin light strip T8 20 w each.
But from internet all I found are 15w each no matter T5 or T8. So I only can get 1.5 wpg. I am not satisfied with it.
Are these bulb all 18" ? Can I find any like 21" bulb with 18w or 20w output?
Another approach maybe I can try is
PC 1x65 50/50, I think.
But I don't know which is better. Please give me suggestion.