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4-Plant 21-Gallon RDWC Hydroponic System w/ External Reservoir - 4x4 Grow Tent

4-Plant 21-Gallon RDWC Hydroponic System w/ External Reservoir - 4x4 Grow Tent

$318.85 -50%
00:35:14
Limited Time Offer
Estimated delivery dates: Apr 25 2026Apr 26 2026
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Free returns 15-day policy
Fast shipping 2-3 days
Quality guarantee 1-year warranty

Deluxe RDWC (Recirculating Deep Water Culture) waterfall hydroponic system with external main control reservoir designed for 4'x4' or larger grow tent. Features include a 2" caterpillar return PVC pipe that fits through a grow tent ventilation duct port, helping keep water temperatures cool with an inline water pump. Plants grow 2-4x faster while using up to 90% less water compared to soil.Quick & Easy to install and maintain, saving time and money while increasing quality and production.(External reservoir on right or left side of tent from outside front of tent looking in, message what side you prefer or will receive as shown).Includes:5 - 5.3-gallon reservoirs and lids4 - 5" Netpots1 - Inline 400gph water pump10 - 2" bulkheads & pvc piping1 - 600gph commercial air pump & manifold4 - 7' airlines4 - 4" airstones1 - 2" pvc pipe "caterpillar" piece for external reservoir1 - water level indicator kit for reservoirWaterfall tubing, bulkheads & fittings8 - rockwool cubes10L bag Leca

Product Information

Category Garden & Outdoor > Planting Accessories > Other Planting Accessories