RG complete is a super-concentrated microalgal-based premium quality feed and enrichment for rotifers and other filter-feeding invertebrates. It has been sized especially for Breeders, Aquarists, and Propagators and includes both a pH buffer and ammonia neutralizer. It has a long refrigerated shelf life of up to 6 months N.B. current special offers 177ml and 473ml bb. 9th Jan 2022, 947ml bottles have bb. 23rd Jan 2022.