[Clarajoy]

I recently got a horned nerite from the store & after we got home I noticed he has some pits and a broken horn.

I put some calcium in there but he's not found it yet. Otherwise he seems really active & noticeably cleaned the glass within 24 hours.

Details - 5.5 gallon with 4 red cherry shrimp, many random snails, one nerite. My ph is 7.2 and the stores ph was around the same.


Anything I can do to help him out?

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[Dariofan]

I have read about people repairing this in different ways. I have 2 large olives and both had this. When the pitting started looking worse, like going deeper in the shell I decided to try to fix it. I wouldn't fix it unless it's getting worse because I was worried about hurting the snails.

Be careful as I only tried this on 2 snails-it's kind of tricky and your mileage may vary.
I put the snail in a container with 1/4" tank water so the shell was out of the water and wiped the shell dry with a paper towel, let it dry a few minutes, then I broke up a clean egg shell to about the right size. I glued it on with the Seachem flourish glue to cover the main pitted area. I was very careful to not get glue anywhere else and not use too much. I did almost glue a snail to my hand but luckily glue wasn't dry yet. So far it has held up 3 months. The snails are active & appear healthy. Though they noticeably have egg shell glued on their shell. I have pretty hard water 7.8 pH, I provide extra calcium & use Kents Iodide 1 drop/5-10 gals weekly-my nerites shell still got worse. Once the initial damage is done in the store/shipping I doesn't grow back. I just don't want the shell to wear away to the point it kills a snail. In my experience it takes a long time to wear down. I had my snails for almost 2 years before I did the repair, they both came with small pits in the shell.