Compost Tea Brewer : 15 Gallon : Convenient Size for the Avid Home Gardener. 15 Gallon Compost Tea Brewer Complete Kit comes with 2 Brews worth of LifeCube Compost/Fish Hydrolysate, Humic:Kelp Powder, a Chlorine Test Kit, and our Silica Uptake Promoting Microbial Inoculant Easy to Clean, Very Durable, Simple Design Makes for Easy Use 400Micron Mesh Brew Bag, 951 GPH air pump, BubbleSnake Aerator, Brass Valve Made in Northern California