Current Culture 3-Site Multi-Mod Expansion Kit for Under Current Evolution Lid Option:Four Sites - with Four 5.5" Net Pots 3% Ammoniacal Nitrogen

3% Ammoniacal Nitrogen

Encourages prolific flowering and fruiting

The Bacteriostatic qualities do not allow microbes to breed in filter

This 3-Site expansion kit from Current Culture allows you to expand your Under Current Evolution XL13 system by 3-sites

Current Culture 3-Site Multi-Mod Expansion Kit for Under Current Evolution Lid Option:Four Sites - with Four 5.5" Net Pots 3% Ammoniacal NitrogenIncrease The Number of Growth Modules On Your Under Current Evolution 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