Compost potion(4) price in OSRS — live Grand Exchange data

About Compost potion(4)

In game it is examined as “Pour this on compost to turn it into super-compost.” Compost potion(4) is members-only, so a membership is needed to trade or use it. The base game value is 120 gp, which is what shops price from rather than what players pay.

Compost potion(4) buy limit

The Grand Exchange lets one account buy 50 every 4 hours. That is a very tight limit, so a position is built over days rather than hours. Filling it once costs about 4,750 gp at the 95 gp price recorded on 11 October 2026. The limit is per account and resets on a rolling 4-hour timer.

GE tax on Compost potion(4)

Selling at 95 gp costs 1 gp in tax — 2%, rounded down, taken from the seller. A flip has to clear that before it makes anything, and it is the number most margin calculators leave out.

High alching Compost potion(4)

High alchemy turns one Compost potion(4) into 72 gp. That is less than the 142 gp nature rune the cast costs, so alching Compost potion(4) always loses money.

How much Compost potion(4) trades

Compost potion(4) sees about 2.4K trades a day, which makes it moderately traded — an order may take a while to fill, so price it toward the middle. That is roughly 48 times the 50 buy limit.

Compost potion(4) FAQ

How much is Compost potion(4) in OSRS? Compost potion(4) is 95 gp on the Grand Exchange as of 11 October 2026, with an insta-sell of 1 gp. The chart above is live.

What is the buy limit for Compost potion(4)? 50 every 4 hours.

Can you high alch Compost potion(4) for profit? No — the alch value is 72 gp and the nature rune alone costs 142 gp.

Do you need members for Compost potion(4)? Yes, Compost potion(4) is members-only.