
Sand production should be increased if you want to increase glass production. You have to get some coral to restore this in Mystery Shore, or build in other islands.* Quest Item droprate % assumes related quest is ACTIVE and Spirit of Great Fortune is NOT active. (excludes collection and preparation time * Earn Rate /hr assumes perfect collection and is calculated per worker. You must put out the fire and clear the blockages to restore it.On Mystery Shore, you need to expand to the area.Quest: Find the items: Flasks and Bellows.

There are a series of Quests that encourage you to upgrade it.

The foundation for the Laboratory is on Mystery Shore and is found in the far right Expansion. The laboratory makes glass and is available on certain islands.
