Current Culture 2-Site Multi-Mod Expansion Kit for Under Current XL Reverse Osmosis Water Filtration Systems we recommend that you supplement

we recommend that you supplement this product with CaMag+

plant vigor and growth

CF-2520-CC

With increased metabolic rates

Current Culture 2-Site Multi-Mod Expansion Kit for Under Current XL Reverse Osmosis Water Filtration Systems we recommend that you supplementIncrease The Number of Growth Modules On Your 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 old classic under current systems,