After taking the commercial training at Friendly Aquaponics, I am sold on the idea of organisms which consume settled solids and help with nutrient cycling and reduce filter maintenance. In Friendly's case, Gammarus do the trick and since I'm planning a Friendly-style system with minimal gravel beds, I am searching for Gammarus. Unfortunately, I am in a section of California where Gammarus are not found, so I'm hoping someone out there may have some they can ship or know where they can be…