lol!!!!!!!!! how's it supposed to do that? send magical little aglae trolls out of the powerhead that scrape the algae off your plants????r3d;2888880;2888880 said:dang bought it hoping it would get rid of my spot algae and BBA on my plants and glass, its an in tank sterilizer with a 70 gph powerhead attached
but no man, UV can only kill whats free floating in your water, i.e., green water! it will do nothign for algae thats attached