Heavy Green Algae, please help!

jahnks2010

New member
I've acquired an established 40 gallon reef tank. It was beautiful for a few weeks and now it's a nightmare! There is heavy Green Algae and a coating of red Algae over the coral. I'm completely new to this. What should I do first?
 
Well, we need more info! And welcome to RC by the way!

40 gallon tank - what's your filtration, lighting, etc setup? What have you got in the tank? Have you tested the water and if so, what were the results? Are you using RO/DI water and doing water changes?

That will help people help you to problem solve.
 
@Whosurcaddie, Thanks so much for the link! I have been reading for a while, so much to learn!

@OrQidz I have a Fluval 305 filter, I have a clown fish, large star fish & another small fish, snail. I haven't tested the water but I will! :-) So much to learn!!
 
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