When you choose to buy Soil3, you can also support the programs run by our member volunteers and get quality compost for your garden. Using the codes, GCMGA will receive $15 for each big bag sold. Are you looking for the Big Yellow Bag – a cubic yard? Please go to Soil3 and enter code GwinnettMG2024 at checkout. Soil3 is certified for organic gardening. Delivery is available (and included in the price). For those locally, pickup is at an additional reduced pricing. Thank you for supporting GCMGA! Related Images: