Anthony Posted May 13, 2021 Share Posted May 13, 2021 Thanks for the time first off. I have a general question so holding off on pics etc.. Recently my beautiful black mollies stopped being active. When coming to greet me they sort of just waddled up to the glass surface.(nose up, tail down, and shimmying up instead of the normal swim behavior. I did dose the mollies 24 hours ago with Mardel Maracyn, and half a tble spoon of salt. They are showing signs of improvement and swimming better already! Did some research online. Ran into live bearer disease, and some causes. One which I think is the on going issue for my babies is the lack of calcium. I have a water softener installed on the house. So I know they are deficient. I know they like hard water and will do well in relatively high ph. My tap water is in the 8.2 to 8.4 spectrum, Id like to add crushed oyster shells to the tank to get in some calcium for them. I'm choosing this because I already have it for my chickens. 🙂 Also, because in my research it will just dissolve, letting me know when I need to insert more. My concern is the effect it will have on my ph. My mollies are fine where they are ph wise, but I have no idea how high or how fast the crushed oyster shells will send my ph, or the affect on my fish if the ph goes north of 8.4? I am looking for some advice on how best to proceed with adding some calcium via the crushed oyster shells.(unless there is an easier/safer method) Also, if I am on the right track here, how much would I put into a 20L with 8 black mollies? I have to find a way to get the calcium into my tanks with live bearers. Please help. Thanks again. Link to comment Share on other sites More sharing options...
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