Current Culture 1-Site Multi-Mod Expansion Kit for Under Current XL13 with One-Site Lid (1 x 8" Net Pot) Lid Option:One Site - with One 5.5" Net Pot Heavy duty tanks compatible with

Heavy duty tanks compatible with acids

Liquid Fertilizer with 11% Sulfur and Micronutrients

CANNA TERRA is specially developed for growing plants in peat based potting mixes

preventing the entrance of sediment into the dripper

Current Culture 1-Site Multi-Mod Expansion Kit for Under Current XL13 with One-Site Lid (1 x 8" Net Pot) Lid Option:One Site - with One 5.5" Net Pot Heavy duty tanks compatible with1 Site Expansion Kit Is Great For Replacing a Single 13 Gallon Growth Module For Your Under Current XL13. 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,