My Nerite Snails having a bad time

[jonny_ftm]

Hi,

I have no way to keep my Nerite snails. I kept 2 of them for about 5 months. Than, I lost two in the same day. I first thought it was my 50% first water change as they died 2 days later. Than, I also saw I have a CO2 problem (CO2 test on yellow) and also figured my GH was too low (that is GH 3)

I increased the GH now to 7, my CO2 is well dosed, and I introduced a new pair of those lovely snails. I made my water change before I acclimate them. And yes, I acclimated them, even if I never did with snails.

48h later, they stopped moving, and now they're dead.

Anyone can help me understand why I can't keep them anymore? PH is near 6.6-6.8 I think, NO3 is kept near 10ppm, of course no NO2. My aquarium is doing very well, and my fish too (no diseases or deaths since more than 6 months)

Could it be the low PH? My Tateurndina Ocellicauda that all the time try to eat their extremities? Having no algae in aquarium (but shouldn't explain a death in 48h)? I really like those snails and would like to keep them, or at least understand why, suddenly, they began to die my aquarium.

Many thnaks for any one sharing such an expierience

[tedr108]

The biggest problem for nerites is low GH from my experience. It seems that GH boosters do not necessarily make the water habitable for nerites, I am not sure why. My nerites do great in my tap water (12-20GH, depending on time of year), but when I was using RO and building up the GH with Equilibrium ... they didn't last very long.

Nothing else you listed would be a problem in my opinion.

[jonny_ftm]

Oh, very sad indeed :-(

They begun dying with using distilled water and lowering the GH indeed. Now, they don't make it in my tank for more than 48h. I still have one alive but it doesn't move at all nor stick at a support for a week. I think it will die in the next days, I'll just keep monitoring it

The Horned Nerite (Clithon corona) I introduced the same day as my last 2 Nerite are still alive and moving, but they move very slowly and sometimes don't move for many days. But they still stick at their support.

Do you think acclimating them longer to the soft water can help before I introduce them? Anyone succeding with Nerite and the use of distilled water?

[Tug]

Oh, very sad indeed :-(

They begun dying with using distilled water and lowering the GH indeed.

If you can find a water quality report for your area you might not need distilled water or to try and lower the GH.

[detlef]

Sorry to hear some nerites died on you........

First though there seem to be many different species available in your LFS which might explain why some make it and others don't.

My experience concerning nerites is very limited to begin with...it seems that in soft water some species might develop holes in their shells do not grow much and even die soon (expected life-span is said to be around 12 years!). IME depending on species they should survive freshwater a year at least though. Let me add that nerites are so good at cleaning that potentially their home will be devoid of algae resulting in both hungry and weak snails. Therefore, if the tank does not support their well being any more due to lack of algae they should be transferred to a greener location.

Also, according to what I've read many species are much better adapted to brackish or saltwater surroundings and should therefore preferably be kept in higher salinities. It seems that the livetime of most species is very terminated in freshwater!

I'm not sure but I suspect it might be a general mistake selling nerites to the fresh water hobbyist.

I'm interested to hear opinions of the more experienced of course!



Best regards,
Detlef

[ibnozn]

I have olive nerites in two tanks. One runs 7.5 ph, the other 8.0+ w/o gas. They do much better in the harder water for me, their shells are much less pitted. They need sufficient hardness to keep their shells healthy, especially with all the CO2 we dose.

[jonny_ftm]

Many thanks for all your feedback. The problem is that they no longer make it above 24-48h in my tank. The 2 first stayed for 6 months, and when I begun distilled, they died one day after a water change. The next 2 I put, did it for 48h before stopping to move and than die (one of them is still alive, but doesn't move at all)

I add Mg and Ca now and my GH is at 7-8, but PH is below 7

If you can find a water quality report for your area you might not need distilled water or to try and lower the GH.

Guess what: GH 14 and KH 17

[Tug]

Eating themselves out of house and home.

[jonny_ftm]

I moved to a new city. They were fine with my previous tap water: GH 10 and KH 6

Now, where I live, is a region with known very hard water and extremely high KH (even with the precise Salifert test). I even didn't give it a try when I moved. I took with me some barrels of my old tap water and made a progressive move to a mix of distilled-tap water from my new location.

I could try to increase the amount of tap water I mix, but I always end up with too high KH for a given GH. Probably excess of sodium carbonate explaining this KH > GH. High carbonate is not good for plants and my fish

[jonny_ftm]

Today, the remaining Nerite that was no longer moving since many days is dead for real. The body no longer reacts to the touch at all and remains open

Also, I just lost one of my 5 Clithon Corona snails (Horned Nerite)
The other 4 still move, but really very very slowly. They were very active in the shop and on the first 48h in my tank

Also, my Trumpet Snails (Malayan Livebearing) could never do it for more than few days.

The only snails that are still doing it are the Pond Snails (Lymnaeidae), even if their population decreased drastically in the last weeks

Anyone using EI, distilled water, low GH and KH, acidic PH or other such things and having same bad expierience with keeping snails?

I'm really disappointed not being able to keep them anymore with my fish. Also, my Amano shrimps all died. Looks like my tank is now damned with invertebra

Please any help is appreciated