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Nitrates and phosphates are low, but there are other forms in the water that we can’t test for. This is normal.If you have GHA then I doubt your nutrients are as low as you think. The Algae is most likely taking up most of the nutrients. Did you use live rock or dry rock in the tank?
I was waiting for someone to tell me that my high nutrients were the issue. Lol
I know. It’s just a pet peeve of mine when people post their tanks with basic algae, and members jump down their throats about lowering their nutrients, but if there nutrients are already low, they assume the reading isn’t accurate.You're asking for it
Pretty late to the party here, but wanted to share the various Acro hats my guy wears. I’m on paternity leave currently with plenty of time to undo his shenanigans, so for now it’s fairly entertaining and I enjoy an algae free tank.They are kinda fun like that though, as long as all the little stuff is pretty solid, you are good. Mine havent picked up any big frags, but definitely some frag plugs with zoas. They like zoas for whatever reason. This one has been wearing these scrambled eggs for over a month now. They both seem happy, and the yellow pop makes it easy to spot the urchin. Also, the rock it is on was covered with hair algea, havent touched it in a month either. Just a few tiny stems left to go, but it, like my hairline, is receeding.
i have 3 tuxedo urchins + a purple urchin. The tuxedo's are great - still quite small and do an amazing job. The purple one is getting rather large but is also a great add to help keep algae in check. I would add turbo snails to the list - they also do a good jobWhat type of urchin?
Same here. My two tuxedos in two separate tank do not touch any green algae. But they eat the coralline, making space for the GHA, so for me, they made the algae situation worse.I've never owned an urchin that ate green hair algae. I've had tuxedos, longspine, and pincushions.
I tried urchins and I already have like 8 emerald crabs. They didn’t touch it.Like everyone already said, urchins.... and I'll add emerald crabs to suggestions.