I obviously want to give my molly fry the best possible chance of surviving, and want to know what I need in order to do that? What's the best setup I can give them? Will they need a heater, as my room gets quite cool due to the AC being on at night? I understand that a sponge filter is the best option for them?
Please help, I'm going to buy this equipment after work today!
Best would be a 20+ gallon setup, a stack of sponge filters, a heater and a good HOB filter that has the intake inside the tube for the sponge filters.
If the tank you have the parents in is big enough, simply getting a bunch of some kind of moss or other dense plant would allow for a lot of them to survive without a seperate setup.
24 is fine and that is what I keep my tanks at. This is a good temp for most fish with some cics being the exception and needing higher temps but if it's just the mollies and guppies that's a good temp.
Do you have any other fish? If you do list them and we'll see if they need other temps but chances are that'll be just fine.
Just guppies, mollies and plants in the tank with the heater!
Actually, now it's been left to run longer it's registering at 27C/80F - should I turn it down a little? The molly fry are zooming around all over the place, and a lot of them seem to be congregating around the heater itself...
I persoally would keep it at 24. Usually heaters can be set to certain temps. If not turn it down a little bit at a time as fluctuating temps can stress fish, and wait until it settles at 24.
Is this because your room temp goes above 24? The heater won't ever put it above what level you set it as long as you have a working heater but if your room temp is more than what you set the heater at then there's ntohign the heater can do. If this is the case, and it goes too high (a few degrees won't hurt) then you should perhaps look into ways of keeping the water cooler. There's a few good threads on this subject which you could read if you think i's an issue.
Outside temperatures here are in the 40Cs during the day, and the AC isn't on when I'm out so I imagine it does go quite a bit higher because of it...
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