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Unread 03/29/2020, 04:24 AM   #1
gareth.hubbarde
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What's this

What is this white stuff growing under my acan? It's doing very well, currently 10 heads up from 7 when bought, just noticed all of this white underneath it.

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Unread 03/29/2020, 06:51 AM   #2
billdogg
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branching sponge. Filter feeder, generally harmless, and can be easily trimmed if it grows too large.


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Current Tank Info: 120 mixed reef with 40b sump, RO 150 skimmer, AI Sol Blue x 2, and a 60g Frag Tank with 100g rubbermaid sump. 2 x Kessil A360w lights, BM curve 5 skimmer
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Unread 03/30/2020, 08:24 PM   #3
lionfish300
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Sponges


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Unread 03/31/2020, 11:48 AM   #4
mansorinc
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Sponges are harmless, I would just let it be and trim if needed


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Unread 04/02/2020, 12:19 PM   #5
Sk8r
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I had a blue version of that in a prior tank that just ran a very pleasing network over rock, hither and yon. I'd love to have it in my current one.


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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, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.
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