Current Culture 4-Site Multi-Mod Expansion Kit for Under Current Double Barrel XL Soil Nutrients For indoor/outdoor plants

For indoor/outdoor plants

Humboldt County's Own Magnum is Magnesium and Sulfur Boost that your plants need

Suitable for hydroponics

Not Just Any Carbohydrates

Current Culture 4-Site Multi-Mod Expansion Kit for Under Current Double Barrel XL Soil Nutrients For indoor/outdoor plantsIncrease the number of growth modules on your Under Current Double Barrel XL or Under Current XL 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