This research aims to determine the outcome of Petro Gladiator® probiotic on the growth of earthworms (Lumbricus rubellus), with regards to the length and pounds of earthworms to find out the compost produced from probiotics and earthworms (Lumbricus rubellus). This review employed a very Randomized Layout (CRD) with three solutions https://www.tokobelanjasegar.com/kontak/