Fungicides

Ok, so the methylene blue experiment didn't work out with the Dicrossus eggs - they still fungused over starting about 48 hours in.

Does anyone here use fungicides when dealing with fish eggs and, if so, what and how much of it do you use?

I'm working with the large-size marina breeder boxes, so probably a 20-ish oz. capacity.

The alternative is that the male just hasn't been on-target the last few spawns. I suppose that's possible.

One of my concerns with the Marina boxes is the flow-through. It'd be easier to dose a small volume rather than the whole tank as you would with the boxes (unless you are using them as static reservoirs. There's a lot in the tank that can soak up medicines....things like driftwood, especially.

The next time I try this will be in a small, dedicated tank where I can precisely dose.

Just my two cents...it doesn't really answer your question.

I turn the flow off and use an air stone.

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I'm a fan of alder cones...although if the eggs aren't getting fertilized they won't help

dogofwar said:

I'm a fan of alder cones...although if the eggs aren't getting fertilized they won't help

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I use them in all of my tanks with extras in the breeder boxes. I actually saw this spawn take place and the male was at least TRYING to fertilize the eggs... Who knows if he really succeeded?

Rooibos tea is supposed to have antifungal properties, so you could try that, too.

A long time ago in a galaxy far away I used meth blue. Nothing now. I suppose if I had an issue I might try melafix/pimafix... or another natural remedy might be usnea-- info on it here. Not sure what it's effect would be on eggs.



Edit-- might be a better article on usnea here. Might be where I first read about it. I found you can get it in liquid form at some health food stores.