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06/12/2016, 10:17 AM
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#1 |
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Registered Member
Join Date: Dec 2004
Location: MN
Posts: 166
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Corals disintegrating or slowly regressing... HELP!
Here are two pictures of a couple corals that seem to be disintegrating or now dead. I also had a couple montipora caps do the same but no pictures. Please advise.
  Disintegrating or died already and gone: Moon Coral Montipora Cap Forest Fire Digi (starting to, see pic) Doing great: Button Polyps Pulsing Xenia Umbrella Leather Torch Green Porcillopora BTA Clams Crabs Fish Green Star Polyps Water Params: NH3/NH4 (Ammonia) - 0ppm NO2 (Nitrite) - 0ppm NO3 (Nitrate) - 0ppm PH 8.0 CA 350 MG 1450 KH 7.5 Temp 79 I think my KH may be the culprit? One week it was 12 then 7 another week. I dose Calcium when it hits 350. I check my water every Wednesday. Thoughts? |
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06/12/2016, 11:12 AM
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#2 |
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PMASI
Join Date: Aug 2015
Location: Pittsburgh, PA
Posts: 468
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I think that you are probably right about your alkalinity swings. I know that has certainly been my problem a few times with "melting coral". Your Calcium is also low at 350.
__________________
3 Rivers Marine Aquarium Society www.3rmas.com President of the 3 Rivers Marine Aquarium Society |
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06/12/2016, 12:06 PM
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#3 |
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Registered Member
Join Date: Aug 2004
Location: Jacksonville, Florida
Posts: 2,433
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I would look at your alk swings as said above. Your calcium is fine. Looking at your parameters, your tank might be too clean.
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06/12/2016, 12:20 PM
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#4 |
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Registered Member
Join Date: Dec 2006
Location: Brantford ON. Canada
Posts: 277
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It sounds like a reaction to too much GFO I am assuming your are using it from what you stated 0 ppm phos. and going from 12 dkh to 7 dkh. Keep an eye on your Clam they do like that Alk. and NO3.
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06/13/2016, 12:06 AM
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#5 |
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Registered Member
Join Date: Dec 2004
Location: MN
Posts: 166
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what is the best way to prevent alk swings? articles? links? etc?
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06/13/2016, 09:04 AM
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#6 |
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RC Mod
 
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Calcium s/b 420.
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Sk8r 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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06/14/2016, 09:06 AM
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#7 |
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Registered Member
Join Date: Jun 2012
Location: Iowa
Posts: 426
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Do you carbon dose or what do you use for nutrient export?
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06/14/2016, 12:41 PM
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#8 | |
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Registered Member
Join Date: Aug 2004
Location: Jacksonville, Florida
Posts: 2,433
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Quote:
It is Alk you want stable. I like it to be at 8. |
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