algae blooms

[salty-ron]

hi im haveing a problem with algae. my tank is new about 2 mounths old. i have a 72 gal. bow front with a 20 gal sump. ran the tank with cured rock for about a month.introduced a couple of coarls no problem.intoduced 2 clown fish and a couple more coarls with in a day started getting brown yellow spots on the sand and rock and air bubbles releasing from the sand.did a 7 gal water changeand it got worse. installed a phos reactor a bout a week ago and still not slowing down.fish are doing fine lost 2 coarls though.not sure what to do looking for advise from the pros out there as im just a begginer. thanks for any help you can give me.


salty ron.................................. in port moody