The Add Back Kit (ABK) provides a simple approach to adding concentrated fertilizers or pH adjustors directly into your Under Current® system.
The Add Back Kit utilizes a patented Mazzei injector to pull concentrates directly into the system’s solution. The Add Back Kit uses the Under Current® system’s existing water pump and flow to naturally draw nutrient into the system via venturi action.
In The Box
-  x Current Culture Add Back Kit | for any UC System
- Easily Add Back Nutrients and pH Adjustors to Your System
- Avoid Shocking Plants During pH and Nutrient Adjusting
- Simple process, Just Turn a Valve to Initiate Add Back
- Adapts to any Under Current® System
- Can Also Be Used for Supplemental Aeration
- Safe and simple.