These Humtea Brewers provides a large scale way to brew the original actively aerated HumTea in a 60 gallon version. 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 .