Thinning shells on red ramshorn snails - The Planted Tank Forum
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post #1 of 15 (permalink) Old 12-09-2019, 01:19 AM Thread Starter
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Thinning shells on red ramshorn snails

Many of the adult red ramshorn snails in my tank have thinning shells, with some shells so thin, there are linear holes.

My water supply is very hard and very alkaline, so I know there is much calcium already in the water. I don't know if there is something to promote the calcium to be more bio-available to the snails to support shell growth.

What can I do to try to improve shell growth?
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post #2 of 15 (permalink) Old 12-09-2019, 02:11 AM
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Are you running co2?

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post #3 of 15 (permalink) Old 12-09-2019, 07:51 PM
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I have had water as well but that doesn't automatically mean its calcium rich.

When I was doing aquaponics I'd learned that when you fix a magnesium deficiency (with epsom salt) it can cause a calcium deficiency, so I had to be careful not to use too much. Not sure if you dose magnesium in your tanks for any plants?

Some people add (cleaned) egg shells so if you can work eggs into your diet (or just not toss the shells) have omelets, keish, sunny side up etc etc and don't.toss.the.shells. Youtube videos talk about preping egg shells for aquariums.

I've not used it but people recommend snello or search recipes for snail jello.

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post #4 of 15 (permalink) Old 12-13-2019, 02:32 AM Thread Starter
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Yes, I run co2 at a level which results in the dropper showing a medium green color.
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post #5 of 15 (permalink) Old 12-13-2019, 02:35 AM
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Originally Posted by psychofisho View Post
Yes, I run co2 at a level which results in the dropper showing a medium green color.
That's what it is. Unfortunately co2 will eventually eat away some of the shells of snails, it happens with all of my snails in my high tech tanks. It's why I don't add nerites to them anymore, while it seems to take a while and the snails otherwise still appear to grow and be healthy, it doesn't look very attractive at the least. I do keep bladder, ramshorn, and MTS in the high tech tanks, though.

But yeah, it's the co2.
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post #6 of 15 (permalink) Old 12-13-2019, 02:36 AM Thread Starter
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Originally Posted by AquaAurora View Post
I have had water as well but that doesn't automatically mean its calcium rich.

When I was doing aquaponics I'd learned that when you fix a magnesium deficiency (with epsom salt) it can cause a calcium deficiency, so I had to be careful not to use too much. Not sure if you dose magnesium in your tanks for any plants?

Some people add (cleaned) egg shells so if you can work eggs into your diet (or just not toss the shells) have omelets, keish, sunny side up etc etc and don't.toss.the.shells. Youtube videos talk about preping egg shells for aquariums.

I've not used it but people recommend snello or search recipes for snail jello.
Thanks for the info.

The last two weeks, I've been using aquarium salt according to recommended dosage. Not for any particular reason, like a preventive tonic. I happened to have among my supplies for years and did not want to throw it away, so I started dosing it (Aquarium Pharmeticals).

Never realized it would cause a calcium defficiency.

I hear you on the eggshells. My 12yo daughter like to eat 5-6 poached eggs over toasted sourdough at a time. We run through a lot of eggs. I'll rinse the shells and set them aside until I can check out youtube videos on how to make the shells bio-available in the water column.

Thanks again.

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Originally Posted by varanidguy View Post
That's what it is. Unfortunately co2 will eventually eat away some of the shells of snails, it happens with all of my snails in my high tech tanks. It's why I don't add nerites to them anymore, while it seems to take a while and the snails otherwise still appear to grow and be healthy, it doesn't look very attractive at the least. I do keep bladder, ramshorn, and MTS in the high tech tanks, though.

But yeah, it's the co2.
Well that sucks.

I want my co2 and healthy snails as well.

Thanks for the heads up - I'll see if I can research some sort of workaround for snails in a co2 dosed tank.
Meantime, I'll back off on the co2, the main plants are growing too fast anyhow and its a real chore to keep them trimmed.
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post #7 of 15 (permalink) Old 12-13-2019, 07:53 PM
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I wonder what effect a stone like Seiryu has on the negative effects of co2 on the shells. Since seiryu has calcium carbonate.


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post #8 of 15 (permalink) Old 12-13-2019, 08:03 PM
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I wonder what effect a stone like Seiryu has on the negative effects of co2 on the shells. Since seiryu has calcium carbonate.
I would imagine it would slow the eating away of snail shells at best, but I'd be surprised if it stopped altogether, since Seiryu technically gets slowly eaten away by the co2 as well.


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post #9 of 15 (permalink) Old 12-13-2019, 08:09 PM
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I would imagine it would slow the eating away of snail shells at best, but I'd be surprised if it stopped altogether, since Seiryu technically gets slowly eaten away by the co2 as well.
I'm sure your right, but if you think about. How long does a Nerite live? The eating away of the stone would take a long time. Just spitballing


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post #10 of 15 (permalink) Old 12-13-2019, 08:16 PM
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I'm sure your right, but if you think about. How long does a Nerite live? The eating away of the stone would take a long time. Just spitballing
Even with high levels of co2 injection, I've gotten a year out of nerites. It's not an immediate death sentence or anything, but it is visible after their first couple of months or so.


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post #11 of 15 (permalink) Old 12-13-2019, 08:17 PM
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Egg shells will be increasing your water KH, you donít want that, and Ramshorn snails canít use them because they are too hard to eat. I have healthy red Ramshorn snails in zero KH with CO2 injection. They need calcium rich foods like frozen shredded raw spinach to keep their shells in good shape, thatís all.


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post #12 of 15 (permalink) Old 12-13-2019, 08:20 PM
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Even with high levels of co2 injection, I've gotten a year out of nerites. It's not an immediate death sentence or anything, but it is visible after their first couple of months or so.
That's interesting. The only reason I even thought about it is that my current tank has a ton of Seiryu and I've had a nerite in there for around 5 months. Maybe I'll try to get a current shot and see if there is any difference in the shell.
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post #13 of 15 (permalink) Old 12-13-2019, 09:06 PM
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That's interesting. The only reason I even thought about it is that my current tank has a ton of Seiryu and I've had a nerite in there for around 5 months. Maybe I'll try to get a current shot and see if there is any difference in the shell.
You may be on to something! I'd love to see the comparison!
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post #14 of 15 (permalink) Old 01-08-2020, 02:51 PM Thread Starter
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Spinach!

Quote:
Originally Posted by Edward View Post
Egg shells will be increasing your water KH, you don’t want that, and Ramshorn snails can’t use them because they are too hard to eat. I have healthy red Ramshorn snails in zero KH with CO2 injection. They need calcium rich foods like frozen shredded raw spinach to keep their shells in good shape, that’s all.
Raw Spinach.
Good for humans, good for snails - who would have known?

We buy fresh spinach all the time. I'll shred them lightly in a blender and give that a try (no, not a puree, I'll be careful to zap only a couple pulses of the blender).

Thanks for the tip!
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post #15 of 15 (permalink) Old 01-09-2020, 02:35 PM
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Raw Spinach.
Good for humans, good for snails - who would have known?

We buy fresh spinach all the time. I'll shred them lightly in a blender and give that a try (no, not a puree, I'll be careful to zap only a couple pulses of the blender).

Thanks for the tip!
Just remember it needs to be blanched, or frozen then thawed, to break down the cellular walls a bit so the snails can eat it.

It's not a mystery...snails are the BEST!
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