How do these calculators work? First of all, we have the normal process of Herblore: * Obtain a grimy herb. Buy, find, or farm. * Clean it. A specific level is required. By cleaning, experience is gained and the clean version of the herb is obtained. * Add to a vial of water or coconut milk. A specific level is required to add a clean herb into a vial of water or coconut milk. An unfinished potion is obtained. * Add secondary ingredient. When this ingredient is added, experience is gained, much more than the experience gained for cleaning the herb. * Sell the finished potion. * Alternatively, potions can be mixed with caviar or roe to gain barbarian mix potions. Experience is gained by mixing caviar or roe.