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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Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct...
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CNS17 Bloom is extremely concentrated, cost effective and produces premium results. The NPK ratio in...
CNS17 Coco and Soil is designed to provide a full spectrum of elements for a...
CNS17 Grow is extremely concentrated, cost effective and produces premium results. It contains all seventeen...
CNS17 Hydroponic Formula is an element rich plant food which is ideally suited to a...
Hydroguard is back with a new, clean look and a more powerful, concentrated formula. Hydroguard's...
Kind™ Plant Nutrient System is a proprietary three part nutrient unlike any other. Kind was...
3744 10th St NE, Washington DCCapital City Organics202-248-2483Get Directions
Capital City Hydronics is now closed.We want to thank all of our customers for their support and invite you to our main location.
11am-7pm Mon-Sat ;
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