Looking for some input/help; my tank is suffering a big GHA & Cyano issue

[jason604]

im also battling pretty bad GHA. Gfo not rly helping all that much for me but i did notice them growing much slower when i manually remove them. About the 3 days blackout is it just turning off all the tank lights or do i have to cover my tank to make it totally dark?

[Slyguy00]

100% darkness. I covered my display and my sump for 3 days. Worked like a charm.

[jason604]

Will sps lose color? A majority of my sps lost color because I moved my lights about 4 inches higher for almost a week.

[Ryanerickson]

I had a algae outbreak at the beginning of summer gha and others all at once it took about 1.5 kg of rowa and a 3 day black out. Jason 3-4 weeks of rowa will not get rid of it I actually found it got a bit worse at first. I have been changing out 300grams plus every 2 weeks of rowa. Finally 3 months later it's 98% gone.

[iceman86]

Originally Posted by jason604

Will sps lose color? A majority of my sps lost color because I moved my lights about 4 inches higher for almost a week.

Yes some might fade or even brown a bit but it will come back pretty quick.

When I transferred tanks I ran into some problems and had my corals (90%sps) in the holding bin without light for 7 days. Nothing died but some faded, after a few weeks it all came back to where it was.

[mikellini]

Originally Posted by iceman86

Yes some might fade or even brown a bit but it will come back pretty quick.

When I transferred tanks I ran into some problems and had my corals (90%sps) in the holding bin without light for 7 days. Nothing died but some faded, after a few weeks it all came back to where it was.

You can kill your corals much faster with too much light than with too little. I've done 3 dark days at a time, twice a month before; my tank never looked better. Don't know why I stopped, actually. I think it was that I didn't like not seeing the tank for 3 days. Maybe 2 would have been enough...

[Slyguy00]

Originally Posted by mikellini

You can kill your corals much faster with too much light than with too little. I've done 3 dark days at a time, twice a month before; my tank never looked better. Don't know why I stopped, actually. I think it was that I didn't like not seeing the tank for 3 days. Maybe 2 would have been enough...

+1!