I used to have a high level manager that was that way. He never thought anyone had good ideas but him. I figured out a way to get my ideas implemented. I would suggest something which he immediately discounted. Then I'd wait 6 months and tell him, "Hey that was a great idea you had about - insert my idea here". He'd ponder a minute and say, "Yeah, I think we'll do that."
You need a bigger incubator.
I guess when you say hygrometers, you really mean thermometers. Hygrometers are for measuring humidity.
The water should be nearly the same as the air temperature. It sounds like there is a problem.
Is there a fan in it?
If they range from 98-100.5, they're not calibrated close enough unless it is a still air and you're measuring hot and cold spots.
It shouldn't matter what the temperature is under the eggs. I know there has been other information here but if it is a still air, the temperature at the top of the eggs should be 100.5-102 and if forced air, it should be 99.5-100 in all parts of the incubator.
I wouldn't worry about the water getting slimy. It usually won't unless it starts out a bit tainted or you don't clean it out between incubations. Try some bleach in the water trays between incubations and if it still becomes a problem a little white vinegar should help.
It's called a water wiggler.
Is this the type of chick fount you are using?
I put a paver slab in the brooder space and sit the fount on that. It keeps it stable and they can hop up on the slab and drink without being able to scratch debris into it.
I don't hatch tiny birds so haven't needed pebbles to prevent drowning but you may need something for seramas.
Shipped eggs should be allowed to settle for 24 hours before incubating. Assuming you are going to set within a day of arriving, keep them at the temperature they were unless they are above 80F.
If the eggs are between 40F and 70F, slowly raise the temperature, 10F per hour till you get into the 80s then set them.
double light bulbs work but I prefer a metallic heat element since there is no filament. The life cycle of which is shortened by the constant cycling on and off. The more a bulb cycles, the shorter its life.
Size of heat element depends on the size of your incubator.
The ones in LG and others are 40 watts.
In bigger incubators go for something between 100 and 250 depending on size.
Here are some options.
That's what you get for using your noggin.
Are you talking about the price to process because you have to hire someone to do it or take it to a processor?