Thread: How would I season these slabs?

Looks like it's been cut into discs, not sure why they would do that. Firewood maybe ?
Pretty limited what you could do with them. They are likely to crack whatever you do with them, but painting all of the end grain might help to limit it a bit.
Do you have a plan what you would use them for ? Chopping blocks maybe.

Was hoping to make some coffee tables/side tables

Just spoke to the guy, he said theyre maybe 100mm thick, so could even get 2 tops from a single piece. up to 1.2m diameter.

Is there any particular paint which would be good? Also, how long will it take to dry?

how badly your reckon it will crack? Can I just fill it with resin?

Most Eucalypts will crack badly when cut like that, most likely one big crack from the outside though to the center, and at least a few others from the outside to at least a few inches in. Someone else here might have tried to do this already and have better news for you, but I wouldn't hold out much hope of ending up with useable pieces. You could buy a 20 litre drum of resin and fill the cracks I suppose.

Very good chance they will crack badly.

If it is going to cost you money, consider walking away. However, if they are free, you have nothing to lose.

Time to dry, I could only offer you a bit of a guess. Conventional slabs will take approximately one year per inch of thickness, these being end grain, I would imagine they will dry out a bit quicker, I think you would still be looking at around two years, depending where they were stored.
If you have a big shed with plenty of room to spare, give them a go, but if it means putting them in your garage and the car has to stay outside until they are dry and you can use them, probably better to give them a miss.
But if you need firewood, grab as many as you can.

Burn em.
If you want to keep timber to use for woodwork a fundamental mistake in "cutting the stuff up" has been made.
Sad but true.

Wrong way Charlie has struck again. Rounds like this will crack in every direction, particularly at this time of year. If the end grain is sealed, there will be no exposed surface for moisture evaporation and the round will remain wringing wet until the sealer fails. Longitudinally cut boards would have been a better option for drying.

Bury them.

Not joking. Go dig a hole big enough to fit them, toss them in, shovel loose dirt over the top and hose with the rest of the garden couple times a week. Dig them out again in about 15 months and see how they go - if you can retard moisture loss now (probably already too late) there half a chance of getting them through reasonably intact. Or toss them into a dam for a few years.

Really not joking.

As said above waste time for furniture they may make good stepping stones, or butcher blocks the latter would need to be secured with heavy steel/stainless ring

Bury it/them in sawdust and forget about them for 3 or 4 years. I've done this with burls, it does assist. I'd keep them at 100mm thick.

I'd try to get ahead of the cracking curve by simply sawing a narrow slot from the rim to the center... even a chainsaw-kerf's width.
Any circumferential shrinkage will be right where you cut and maybe nowhere else!
Hm?

As others have said the end grain slabs will mean it most likely will crack. Myself, I wouldn't worry to much about it, I'd just leave them to crack and then full the cracks with coloured casting epoxy and makes features out of them. The biggest problem is it will take quite a few years to dry the 100mm slabs unless you have access to a kiln