Timfish
Crusty Old Salt
looks like a species of hair algae to me. A couple methods you can try but be forewarned they are a bit tedious. You can use H2O2 in a syringe to gradually kill off small areas, I wouldn't use more than 1mm per gallon per week. You can also use steel straws with a siphon to scrape it off and remove it from the system. If you do use steel straws don't siphon water through a filter sock to return water to the tank, turf algae dumps lots of harmful DOCs into the water and you don't want to return water from siphoning it out back to your system. Animals that i would add to help control it along with manual removal would be short spine urchins like the caribbean pink, tuxedo and royal, larger algae eating hermits like thin strip hermits and sally lightfoot crabs. For what's growing in sand you can siphon off the top layer, soak in H2O2, rinse well, let dry a day or so then return to your system. FWIW, if your phosphates are too low it can actually encourage algae growth be limiting coral's ability to compete. I'd keep PO4 between .03 mg/l and .5 mg/l
EeyoreIsMySpiritAnimal
Just another girl who likes fish
NOT an emergency
EeyoreIsMySpiritAnimal
Just another girl who likes fish
A Simple Guide To Common Problematic Algae And The Means To Control It..
As we all know algae is inevitable in both Marine and fresh water aquariums and if not watched and without proper procedures for removal can quickly turn a beautiful aquarium in to something that resembles a scene out of a old Swamp thing episode. Some are easy to control some are a non stop...
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