Fungus gnats the bane of my life

[AcceptingTherapy]

Since I moved house my indoor plants always seem to get fungus gnats, they are such a pain.
I have managed to eradicate them currently and am bottom watering minimally which keeps them at bay. But it’s such a lengthy process I’d love to just chuck some water in the top as and when! Can anyone recommend any particular soil/additive to stop them? I’ve tried gravel in the top but that doesn’t seem to work and I really don’t like the idea of the yellow sticky things, I’d rather stop them from producing in the first place rather than killing them.

We've had reasonable success with nematodes. And avoid garden centre compost.

I looked into nematodes briefly, I’ll look again, what exactly is it?

I usually buy houseplant compost at the garden centre, is that where I’m going wrong? Does it get infected there?

They eat the gnat grubs apparently. Available on Amazon! Yes it's the garden centre compost. I think (but maybe wrong!) it stems from when they were no longer allowed to add peat.

I gave up and used raid. It doesn't seem to bother the plant but it kills the flies.

We've had a lot for the first time this year. I'm pretty sure it was plants (including a big schefflera and a couple of peace lilies) which I'd potted on - into expensive houseplant compost rather than multipurpose.
I expelled them into the garden yesterday but there's still quite a few wafting around ... hope they haven't colonised other pots.

The plants should be ok outside for now but I'm not sure if repotting them later on in the year will solve the problem.

Nematodes! From Amazon, I think I just got the most recommended ones. Didn't sort it immediately but went from a swarm flying up if I touched a plant to nothing at all in less than fortnight. Sticky traps helped but couldn't cope with all of them.

More that it’s high humus and attractive to egg laying females

To be fair, that would happen anyway, as the current crop of larvae turn into flies.

Another vote for nemotodes. I'd tried the gravel on top, bottom watering and yellow sticky things with minimal success. Nemotodes did for them.

I've also bought some carnivorous plants to help get rid of them.

Cinnamon powder on the soil helped massively here