Home / Soil/Mulch/Amendments / FoxFarm Bush Doctor Microbe Brew View cart “Back To Earth – Composted Cotton Burr – 3 CU. FT.” has been added to your cart. FoxFarm Bush Doctor Microbe Brew$67.00 29 in stock FoxFarm Bush Doctor Microbe Brew quantity Add to cart SKU: 573242M Category: Soil/Mulch/Amendments Description Description FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 – 32oz – Concentrate Related products Black Gold Potting Soil $35.00 Add to cart Black Gold Succulent & Cactus Mix $25.00 Add to cart Moonshine 2 cu ft (soil) $55.00 Add to cart