Current Culture 2-Site Multi-Mod Expansion Kit for Under Current XL13 Root Stimulants & Enhancers Your Choice of Growth Module

Your Choice of Growth Module Lids: One 8" Net Pot per Growth Module

Chloramine removal requires the KDF85 Catalytic Carbon upgrade

Stabilize - your pH levels and avoid mineral build up

55% concentration

Current Culture 2-Site Multi-Mod Expansion Kit for Under Current XL13 Root Stimulants & Enhancers Your Choice of Growth ModuleIncrease The Number of Growth Modules On Your Under Current XL13 With This Expansion Kit From Current Culture! All Expansion Kits Now Include: Multi Mod Growth Module, Aeration Manifold Fittings, and Air Hose Whips. NOTE: This multi mod expansion kit is designed to be used to expand the new 2019 multi mod under current systems. This expansion kit will NOT work with the classic systems. If you are looking to expand an old classic under current systems,