Never
A food waste disposer, also known as a garbage disposal, grinds scraps right in the sink: here is what happens with chestnut shells.
No, not with any model.
Hard and fibrous: they go in the food waste bin.
suitablecrossed out: not suitable
Cold water, a little at a time, mixed loads.Food scraps only. Never fats or oils, never anything that isn't food.
Chestnut shells look harmless, but in the drain they behave differently. It would never reach fine particles in the chamber: it would sit in the trap, or further along where the pipe narrows. The outer shell is leathery and the inner skin fibrous and sticky: it goes in the food waste bin, even when the chestnuts are cooked. Hard and fibrous: they go in the food waste bin. The right route is the food waste bin, with the rest of the kitchen scraps.
Send us the food and your model: we answer ourselves, no runaround.
