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 $30.00 Add to cart Fox Farm Big Bloom Liquid Concentrate $125.00 Add to cart Neptune’s Harvest Liquid Humate 12% $28.00 Add to cart