The Deep Water Culture (DWC) System Expansion Kit makes growing with hydroponics easy. Large 2.75 gallon square grow sites with inserts allow easy removal and replacement. Grow site lid with 4 inch hole can be used with or without net pot. Perfect for tomatoes, peppers, peas, beans and other vining crops. Six grow buckets are connected with 3/4" Tee fittings and tubing provided. Soft rubber seals provide water tight connections between Tee fittings and grow site.Easy setup with custom molded buckets, inserts, high quality 3/4" Tee fittings with large rubber seals and high quality 3/4" tubing. Wide lip net pots provide for optional use. Grow site inserts can be filled entirely with Clay Pebbles for Ebb & Flow systems or 4" Net Pots can be used for Deep Water Culture systems.System includes: 6 Blue 2.75 gallon square grow sites, 6 Blue 2.75 Gallon inserts, 6 White grow site lids with 4" hole, 6 wide lip net pots, 20' 3/4" tubing, 6 x 3/4" Tee fittings, 2 soft rubber end caps,12 insert clips.The Artisun Technology Digital Flood & Drain Controller Pack can be added on to this Expansion Pack to automate watering cycles.

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