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Old 07/15/2020, 02:08 PM   #1
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mcardenas's Avatar
Join Date: Aug 2013
Location: Tucson
Posts: 91
Please help! White looking barnacles on rocks and glass and Red algae on rocks


The white looking barnacles have been in the tank for a couple of weeks. The red algae on the rocks has been for months.

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Last edited by mcardenas; 07/15/2020 at 02:42 PM.
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Old 07/15/2020, 04:26 PM   #2
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Join Date: Sep 2017
Location: Ontario, Canada
Posts: 2,899
Originally Posted by mcardenas View Post

The white looking barnacles have been in the tank for a couple of weeks. The red algae on the rocks has been for months.
Is there a question?
Nothing jumping out at me....

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Old 07/15/2020, 04:40 PM   #3
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Join Date: Jan 2008
Location: OKC, OK
Posts: 3,655
Normal reef stuff. The red/purple is coraline algae. It grows normally in our tanks and is a sign that the tank is maturing appropriately. You'll also see it build up on other surfaces in the tank. Use a razor blade to scrape it from the glass.
The white critters are little tube worms. You have a lot more than normal on your rock, but you'll be fine. It's not uncommon to have that many or more in a sump or on the back sides of rocks. It looks like you're doing just fine.

"The moral is the chosen, not the forced; the understood, not the obeyed. The moral is the rational, and reason accepts no commandments." - John Galt

Current Tank Info: Cadlights 60G Arisan II mixed reef with 2x MP40s and 24" ATI
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algae, barnacles, red

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