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Old 09/28/2020, 12:05 PM   #1
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Join Date: Sep 2020
Posts: 1
Angry Coralline Algae an issue


While we've had a tank for years, I'd say I'm a novice, and have a question that most do not ask: how do I get rid of coralline algae?

I's taken over the tank and overgrows all of the hard corals. We've used long-spined urchins in the past, but they grow too big and become problems themselves.

Any suggestions would be greatly appreciated - thank you!

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Old 09/28/2020, 12:26 PM   #2
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Location: North Palm Beach FL
Posts: 197
What about a tuxedo urchin?

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Old 09/28/2020, 05:30 PM   #3
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Join Date: Feb 2006
Location: Spokane WA
Posts: 34,251
Blog Entries: 55
Take a look at your magnesium level/ Oceanic brand salt is quite high in it. And Coralline loves it.


Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 09/30/2020, 06:43 PM   #4
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Don't do water changes will add less mag lol. Its funny that most new reefers love the algae but it does become a pest over time.

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coralline algae

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