The best way to add stackable potions

Stackable potions should almost definitely be added to Minecraft, but the way they're added is where it gets complicated. Certain potions would be too overpowered if they were stackable, but most potions just aren't worth taking up a whole inventory slot. I've thought about this a lot, and I think it's time to share it.

First of all, drinkable potions should NOT be stackable up to 16. I think the best number for potion stacks would be 4 or 8, sticking with the established factors of 64. To combat drinking OP potions too quickly, there should be a fairly long cooldown before you can drink another potion of the same type. This cooldown could vary in length to add a level of uncertainty to them. If need be, certain potions could even have their own cooldown lengths. For example, strength and healing potions could have a longer cooldown than others.

Now, onto throwable potions. I do think these should be stackable as well, most likely to 4. If that causes too many issues, they should at LEAST be stackable to 2. Much like drinkable potions, throwable ones should have a delay before you can use them again. However, the delay should be split between negative potion effects and positive ones. Negative effects like harming or slowness would have a long cooldown, preventing players from spamming them. Positive effects would have a much shorter cooldown, possibly even shorter than their drinkable counterparts. This would make positive splash potions actually useful!