if you don't mind, i got some questions regarding egg incubations

I have failed 3 batches already. I am using vermiculite as medium. I am living in a country where normal temps is around 89degrees so i am not using any incubator. The problem is, most of my eggs either leak it's yolks after 1 or 2 weeks or gets molded. So my question is, how can I maintain humidity without being dried by the high temperature? How often should i reapply water on the vermiculite? I'm so frustrated because I really want to have my first batch of babies. I know a lot of breeder in my city where they also don't use thermometer, hygrometer nor incubators. any insights? thanks!

I can't solve the problem, but here are some things to consider:
--89 is getting toward the top of the temperature range. Is it possible that the eggs are getting too hot and that they need to be kept a bit cooler? I use a heating/cooling incubator because during the summer the temperature in my living room can get into the 90's while in the spring the temps can be down in the 60's

--are you keeping the eggs in a closed container with no air holes? If you're talking about molding, that seems to go along with high humidity

--I find that mold doesn't kill the eggs, rather, when the eggs are no good they mold

--how many females are producing eggs. I have had females that never produce fertile eggs. Could that be a problem? Also if they're all first-timers you can have a longish run with no fertile eggs

--are your females adequately supplemented? Is there low calcium in the eggs that's causing a problem?

--How many males are involved? Some males are infertile

As you can see, there's a lot to look into and a lot of variables. Good luck figuring it out!

Aliza

-I put the eggs in a microwavable container with 2 air holes in each side.
-How can i balance humidity and temperature? because if the humidity is low, the egg shrinks. if it's high, the egg molds/leaks
-I only have a pair of LG living together in a 24x12x12 tank. they don't fight. I had them since september. 3 batches of eggs so far. my current one is a single egg. I'm also guessing my female is not yet ready to have fertile eggs
-I have a steady cup of calcium w/o D3 in the tank

I appreciate your reply. thanks!

When I incubate my eggs, they are in an airtight container with no air holes (I open the container every week briefly) in a very humid environment. I wonder if possibly the issue isn't humidity, but rather the eggs not being viable from the beginning. Do you candle them to see if there's a red 'bulls eye' in them after they are laid? I don't think too much humidity could be the problem because my eggs may be in 100% humidity and don't have problems.
Aliza

I weigh the vermiculite I use when it is dry and add a bit less than that weight in water. So for 20g of vermiculite I add 16-18g of water - I use a spray bottle to add it evenly and give it 24 hours or so to even out before I put the eggs inside. I use glad or ziplock sandwich sized containers with absolutely no holes. I also try not to incubate over 88 degrees as I get some egg mortality close to 90.

Hope it helps!