[Closed] How much sealant?

A glug in each tyre

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If it's this little bottle (2oz) - all of it in each tyre is recommended.

Two stans scoops in a mtb tyre for me. Probably a bit more than needed but I'm not a racer.

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two scoops of stans in a normal (2.3" - 2.5") tyre

It is that smam bottle but don't want to put the whole lot in one tyre if possible, I'm trying to keep weight to a minimum.

There's a point below which there is so little sealant in the tyre that it's spread out too thin to seal a puncture, so don't be too stingy. Two Stans scoops per tyre for me too.
As to the when part of your question, as late as possible in the tyre fitting process, so ideally, just before fitting the last part of the second tyre bead.

IIRC it's something like 60mL for tyres <2.4" and 90mL above that.

Two stans scoops in a mtb tyre for me. Probably a bit more than needed but I'm not a racer

+1 the little bottles don't seem to have the gritty stuff the same like the bigger Black bottle. Don't think of the bigger outlay of buying the bigger one because it's a false economy. By the time you've bought 4 of them it's the same price of the bigger bottle and you'll get twice the amount. And the better product

I use one scoop a year on from starting with tubeless and it seems OK.
Use a tube in the tyre first to pop the beads across, take it out one side leaving one bead still seatedm
Put valve in and seat second bead.
Remove valve core (if its a removable core) and using a syringe inject fluid
Or
Take as little of bead of one side of rim and pour it in.

How many mm is a 'scoop'? Don't think I got one with the bottle I bought.

The red scoop is 2oz, same as the small bottle.

Wouldn't that mean it should be one scoop per wheel then, not two? Or are you supposed to use two bottles per wheel?

Should have thought about that for more than half a second. 1 Scoop = 1oz - so 2 scoops per tyre. Duh... 😳

Ok that makes sense. Thanks.

Ok that makes sense. Thanks.