The Under Current UCDB24XXL13 is the perfect 24-site hydroponics system huge plants that need extra space for lateral growth. A variation of the standard 24-site Under Current Evolution system, the UCDB24XXL13 offers larger 13-gallon growth modules as well as extra wide 40″ plant spacing. In addition to the features found in simple hydroponic DWC systems, the UCDB24XXL13 utilizes the patented CCH2O Sub-Current Culture system. This unique recirculating element provides constant circulation of hydroponic fertilizers and improved pH balance for outstanding growth and big harvests.
Easy and reliable, no timers, no guesswork. Reduces labor & maintenance.
Greenhouse grade heavy-duty construction, water level marks, recessed drain wells, raised body for thermal cooling, and a smooth interior for easy cleaning.
The Under Current system is the world’s only recirculating water culture hydroponic system to feature CCH2O’s patented Sub-Current Culture circulation method.
Sub-Current Culture technology utilizes negative water pressure to recirculate highly oxygenated nutrient solution through the plant’s root zone. This continuous fluid motion supercharges the nutrients with dissolved oxygen, creating hyper-aerobic conditions perfect for explosive plant growth. Constant 24/7 nutrient circulation ensures pH and EC levels are uniform throughout the entire system.
CCH2O unique water culture application is unprecedented in layout versatility and ease of use. The Under Current consistently delivers awe-inspiring yields for any sized application, from hobby to commercial greenhouse.
*Boneless Spacing Option: All Under Current systems are available in a “Boneless” configuration. Boneless systems ship WITHOUT straight sections of piping allowing for custom plant spacing.
*Remote Epicenter Option: All Under Current systems are available with a “Remote Epicenter” option. This allows growers to place the Epicenter (control module) on the outside of their grow space or tent.
*Please note: Both of the above-noted options require the separate purchase and installation of PVC pipe.
NUMBER OF ROWS: 4
NUMBER OF SITES: 24
PLANT SPACING & MODULE SIZE: 40″ Centers / 13 Gallon
SYSTEM FOOTPRINT (FEET / METERS): 12’10″ x 20′10.5″ / 3.91m x 6.36m
TOTAL SYSTEM VOLUME (GALLONS / LITERS): 290 / 1098
POWER USAGE (WATTS): 420
AIR PUMP SIZE(S) (LPM): (1)100, (2)80 [Epi+8,8,8]
AERATION RATE (LPM PER GALLON): 0.9
WATER PUMP SIZE (GPH / LPH): 1800 / 6814
RECIRCULATION RATE (EXCHANGES PER HR.): 6.21
GROW AREA (FEET / METERS): 18′ x 28′ / 5.49m x 8.53m
LIGHTING (HORIZONTAL): 24 X 600W
LIGHTING (VERTICAL): 31 X 600W
WATER CHILLER SIZE* (HP): 1 – 1.5 HP
RESERVOIR (GALLONS / LITERS): 300 / 1200
VEG TIME (WEEKS/IN.): 4-6 weeks / 30″-36″
*General recommendation. Check manufacturers specifications for proper chiller sizing.
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