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Any ideas on how to remove tin other than a couple water changes?
Did you find a resolution for this?
in my experience, it tends to be related to an imbalance of cal/alk, and also can be related to Boron deficencies though your ICP rules that uot.
here is a good thread:
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When I see this, I’ve noted my strontium and boron levels are undetectable, adding both seemed to have reversed the problem over time - may be worth an icpI’m also seeing this on some of my corals (acropora). The coralites are very bumpy and a few get these blisters where the skin balloons out and detached from the skeleton. The blisters will go back down after a day or so. But the coralite structure isn’t returning to normal.
I’ve never done an ICP test but I do weekly 12% water changes with Tropic Marin Pro. Ca, Alk, Mg, N, P are always pretty dead on with N~3-5ppm and P~0.02-0.05 ppm. I have always theorized a bacterial infection and after watching several corals stall today I’m trying to dose antibiotic (Bactrim, I already have some on hand). I’m not sure if it will work or not but I have to try.
How would I correct inadequate levels of these elements?When I see this, I’ve noted my strontium and boron levels are undetectable, adding both seemed to have reversed the problem over time - may be worth an icp
You can dose strontium directly, same with Boron - if you have a lot of acropora I'd recommend B-balance by KZ and reef Strontium by seachemHow would I correct inadequate levels of these elements?
That was my first thoughts as well, look at minerals associated with skeletogenesis, however, 3 consecutive ICP (ATI) showed optimal levels of Strontium and Boron. However, there’s always the chance there’s more than one factor causing this conditionWhen I see this, I’ve noted my strontium and boron levels are undetectable, adding both seemed to have reversed the problem over time - may be worth an icp
My ICP showed perfect levels of B and Sr too.That was my first thoughts as well, look at minerals associated with skeletogenesis, however, 3 consecutive ICP (ATI) showed optimal levels of Strontium and Boron. However, there’s always the chance there’s more than one factor causing this condition
What did you use for your carbon source? I use NOPOX and wondered if there was something other than vinegar in there.Mine has been fine after I stopped carbon dosing. It's been quite a while and no signs of returning. No real damage to the corals that had it bad.
Interesting. I started looking at the photos of my corals I took and also traced back the date when I started adding bacteria and carbon dosing. It just happens so after a few weeks is when this started happening. The polyps look like tulips and as soon as I started more aggressive at dosing carbon source it gets worst. I just stopped today and is now running GFO. Let's see what happens.Mine has been fine after I stopped carbon dosing. It's been quite a while and no signs of returning. No real damage to the corals that had it bad.
But what happens when I do all those things already and the problem never goes away? I’m going almost 2 years with keeping things stable, running carbon, weekly 10% water changes, good water chemistry. Parameters are in check. So what happens when I do everything correctly and still fail? How do you win a battle against an unknown enemy?Hmm... That sounds drastic. I don't think that's everyone's experience. I would say more than anything, carbon, lots of muck cleanup (we all have spots) and heavy water changes and quit with any "fixes" was my route. From my experience and watching some other videos, I've come to the conclusion that less is more. As long as alkalinity is stable, good house cleaning is done, that's all that's needed. I've been so busy with kids during covid that my maintenance is weekly water changes, weekly (or every other week) carbon changes and gfo. Sometimes I clean pumps, the more flow the better. High pH is nice when the weather permits with open windows, but no funny business. And my corals are happier than they've ever been.