Tips on egg care

jetajockey
Member
After today's events, I decided to list a few tips for artificial egg care to help maximize survival rate of fry. Feel free to add if you have any.

-Always use tank water in the egg container, so the water parameters and temperature are identical when transitioning.

-Get the proper tools to help you maintain the eggs, a plastic pair of tweezers are great, and various size medicine droppers to move the eggs around.

-Keep the egg container clean. There is a lot of debris that is picked up when transferring eggs, so keep it clean and take a few minutes to get anything out that doesn't resemble an egg.

-Heat is good, but too much heat makes hard boiled eggs. If your egg container/tank setup allows it, you can fasten the container in the tank to maintain a nice temperature. Another option to this is to rest it above a tank light to give off some warmth. I forgo both of these options and put my egg containers on the very top of my tank rack, since heat rises it's the warmest up there. Whatever you do, do not put the egg container in direct sunlight, or any other unregulated heat source.

-Air flow is great, so put a bubbler in there if you are concerned about fungus. Don't worry about messing the eggs up with the bubbles, the benefits outweigh the negatives IMO. This really applies to sticky eggs as opposed to nonstick eggs, since it's harder to separate the good from the bad. I don't use air on the eggs I collect from the egg scatterer types.

-Use a fungus inhibitor. I strictly use h2o2 (hydrogen peroxide), not only because I'm a cheapskate, but also because it works well at keeping fungus away.

-However, even with these efforts, fungus will still happen, and when it does, pull the fungused eggs immediately.


-In general, the eggs that turn white are not viable, and should be removed before they fungus.

Which brings me to my next tip.

-DONT THROW THEM AWAY unless they are fungused over.

My cory eggs are all very similarly colored, and while pulling white eggs I put them into another container of water since I wasn't near the kitchen sink. I left the container out for a few hours while I was sleeping, and as I go to toss it out, lo and behold, there's 4 or 5 wigglers in there.

So the moral of the story is to separate the good eggs from the bad, because fungus is a killer, but don't toss the 'bad' eggs out so quickly because they might not be as bad as you think.

(picture is of 3 day old corydoras shultzeI (black) wigglers)
 
Kathy Potts
Member
Great tips!!! jetajockey Thank you for sharing and taking the time to do so!!!
On the humor side, you might want to add: Don't fall backwards off step stool while getting eggs out of 75 gallon tank. So glad they were Angelfish eggs and STUCK to the plastic leaf pretty well. OUCH though........ Moral to the story, DON'T GET IN TOO BIG OF A HURRY!!
 
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jetajockey
Member
lol kathy

I was going to add that wearing a back brace will help if egg collecting for extended periods of time

It's amazing the lengths we go to for the tiniest of things.
 
Kathy Potts
Member
When moving the eggs, is it important to keep them wet?
 
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jetajockey
Member
some will say yes, and I've kept eggs totally submerged while transitioning. However, many times I haven't, I even empty the peacocks tube out to look in there to see how far along the eggs are.

I haven't noticed a difference, just be sure to get them back in water quickly.
 
Kathy Potts
Member
x jeta. Just wondering
 
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jetajockey
Member
I think there might be an issue if pulling them out of a deep tank too quickly, changing pressure cannot be a good thing on a fragile egg, maybe its best to wait till the egg hardens a bit before pulling them in this case, I'm not sure, will take some time to study on.
 
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jetajockey
Member
an update, these are pics to help with size reference, newborn wigglers and also eggs.
 
AZKyleP
Member
How much Hydrogen Peroxide to water?
 
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jetajockey
Member
I use 1ml per gallon of water
 
AZKyleP
Member
Thanks! I'll grab a gallon of tank water and do that now.
 
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jetajockey
Member
Ok. For smaller containers, like the one in the picture, I just put a couple drops in. It's important not to go crazy with the peroxide, but a few drops isn't going to hurt anything. Keep in mind that eggs will still get fungus even with peroxide treatments every 12 hours, it just helps slow it down a bit.
 
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