We are Washington, D.C's premier location for all of your horticultural needs.
Located at 3744 10 St. NE, Washington, D.C. ; 20017
Call us at 202-248-2483.
Open 7 days a week Mon-Fri 11-7pm
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General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference...
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3/4" Grommet Insert that goes into the 1" grommet as an adapter for barbed fittings...
Armor Si™ is suitable for all types of plants during all stages of growth. It...
AzaMax is a natural product with a broad spectrum of pest control and broad plant...
Azatrol is a broad spectrum botanical product for control of insects and mites on indoor...
Blue 1/2" fill-and-drain tubing.
CALiMAGicTM is a concentrated blend of readily available Calcium and Magnesium. It is formulated to...
CocoTek® is pH balanced and contains low sodium content for coir fiber. It increases water...
Made from natural coconut fibers and bound by organic latex, CocoTek Mats are designed to...
Diamond Black® is derived from 100% pure Leonardite, a naturally occurring form of carbon drawn...
Diamond Nectar: Despite the low level of nutrients found in natural soil-based environments, plant growth...
Replacement clip for Waterfarm drain level tube.
Waterfarm Drip Ring in pack of 10
Drip Stakes for Eurogrower System.
General Hydroponics Dual Diaphragm air pump is the only air pump in the world that...
2-gallon bucket for EuroGrower.
These highly soluble organic compounds increase and promote healthy root structures, build the plants immune...
FLORABLOOM: Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high Phosphorous,...
A + B = Growth A unique nutrient system that's designed to get your plants...
FLORAGRO: Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium, and secondary...
FLORAKLEEN Salt Clearing Solution FloraKleen removes fertilizer residue that can accumulate over time in hydroponic...
Floralicious Plus is a super concentrated blend of bioactive plant, marine, microbial, and mineral extracts. It...
Floralicious Grow enhances metabolic activities and nutrient assimilation that results in more vigorous growth. Builds...
Floralicious Plus enhances metabolic growth, promotes flower development, stimulates fruit swelling, and enhances essential oil...
The original Building-Block Nutrient System, often imitated but never duplicated. Flora Series contains complete Primary,...
If your tap water is over 200 ppm or contains calcium above 70 ppm, use...
3744 10th St NE, Washington DCCapital City Organics202-248-2483Get Directions
Capital City Hydroponics is now closed.Come visit us at CAPITAL CITY ORGANICS in Brookland, DC
11am-7pm Mon-Sat ;
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