So its been a while since I wrote about what been going on with Bill & Bens HydroWorlds Aquaponic setup. You may remember we took on the ‘Bristol Fish Projects’* Tilapia last year when they lost their site. This was great as we took the fish when they were established & semi grown so we didn’t have to cycle the water. We also took on one of their IBC’s (Intermediate bulk container) which we housed in a 2.4m x 1.2m Century Grow Tent using 2 x 125w Maxi Bright CFL’s (energy saving lamps) & 150w Dual Spec HPS (high Pressure Sodium bulbs when we need a bit of a light boost.

So having had a bit of an accident evolving a trapped air line to a temporary holding tank whilst trying to clean an infestation of Aphids from the Aquaponic area we restocked with 100 Koi Carp (The Tilapia…