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Nerites per gallon?


A.m.P

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I love these saltwater nerite snails but I think I may have ended up with one too many, I currently have 4 in a 12 gallon innovative marine atoll alongside two ceriths (for the small rockwork). I'm running high enough par it may have literally cooked the diatoms off my upper rockwork (for a Maxima clam) and don't plan on stocking the tank with much besides coral and something small like a clown goby. Ideally I want a fairly low-water-change tank I dose with two-part and allow some nutrient to exist for the clam and corals. Should I take one of the nerites back to the LFS? I've read conflicting information ranging from 1 per 2 to 1 per 5 gallons, but the rating all seem to be for freshwater tanks. Atm I do 5% once a week and powder a single marine pellet every two to three days so I can keep the tank cycled and the inverts fed. 0 nitrates and phosphates, bare-bottom w/ 25 lbs live rock and enough matrix and "denitrate" for a 75 gallon tank in the filter chamber, alongside a chemipure blue nano satchel +carbon and 100 gallons worth of brightwell no3 out cubes (which I'm slowly removing because they're dissolving).

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It depends more on the amount of algae that grows in your display for them to eat. They should be fine, but if you're worried you can always drop in a small bit of cucumber or algae sheet, although I doubt that would be necessary. 

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Yeah, I was thinking about dropping in blanched cabbage or something for them, for now there's a fair bit of algae growing in the shade on the underside of the rockwork. I guess I'll just keep an eye on them ^^ Ended up somewhat concerned by the 1 per 5 gallon suggestions I kept seeing, didn't want to run into problems down the line. That said the atoll tank has the footprint of a 20 gallon, with half the height so maybe I have enough surface area anyway.

Appreciate the advice though, thank you.

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