These Humtea Brewers provides a large scale way to brew the original actively aerated HumTea in a 15 gallon or 60 gallon versions. They come complete with a sturdy stand with locking wheels. The brew chamber has a lid and is translucent with gallon marks for easy reference. The brewers have a spigot for dispensing the Humtea. Humtea can be used during all stages of plant growth, transplant through flowering and fruiting, for soil and hydroponics. There is no substitute for the original actively aerated Humtea.