Are you using RO water? I would skip the limestone in the filter. The trouble is it offers little control, and could cause more problems with your other livestock... Particularly the roller coaster effect of gh/kh changes. If your source water is low, I'd try to pretreat it. Not ideal, but tis the task we face.
I honestly suspect CO2 is what took them out to start. And many nerites are poorly acclimated from their saltwater native homes(they are ALL wild caught).
Are you using RO water? I would skip the limestone in the filter. The trouble is it offers little control, and could cause more problems with your other livestock... Particularly the roller coaster effect of gh/kh changes. If your source water is low, I'd try to pretreat it. Not ideal, but tis the task we face.
I honestly suspect CO2 is what took them out to start. And many nerites are poorly acclimated from their saltwater native homes(they are ALL wild caught).
One of my zebra nerites died this week for no discernible reason. Water parameters are good, there are no predators, there's plenty of food, and it's been in the tank for three weeks.
Since inverts are supposed to be more sensitive to metal poisoning than fish I would throw some cheap ghost shrimp into the tank and see how they do. I try to always have ghost shrimp in my tanks to serve as the canary in the coal mine for water issues.
I would up the GH booster till I got at least 4 GH and KH.
Do you have any of the "pest" snails like pond or MTS?
I added 3 mystery snails and 2 tiger nerite snails last week. I have been waiting to see how the MTS population did before adding the larger snails. Since the MTS population and growth did fine for a couple of months, I decided to risk the larger snails. My biggest concern now is them falling out of the rimless tank.
The nerites seem to always be active. They are not very large, but I can usually spot them easily in my 75g. I might be missing a mystery snail, though. I can only find 2 of them. There has been a couple of times I thought they were dead, but I wake up the next day and see they are fine.
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