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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G10 (Gravitation #10) started as Emerald Triangle's experimental substitute for Gravity but turned into...
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Humboldt County's Own Snow Storm Ultra (0-0-3), with an amino acid profile that is unique...
Made from pure worm castings and the most potent seabird and bat guanos. The species...
Magnum is a concentrated Magnesium supplement with vitamin B1 for supplying extra Magnesium and Sulfur...
Magnum with Vitamin B1 is a potent Magnesium supplement for preventing or treating the Magnesium...
Amino acid based cocktail that intensifies final color in susceptible varieties. Stimulates resin and crystal...
Humboldt County's own Purple Maxx is completely organic. Made from hydroponics central in Humboldt Country,...
Buy local! Humboldt County, California, is home to some of the most dedicated and innovative...
Sonic Bloom (Sunshine Powder) high PK booster contains 20 times the vitamin B1 of other...
Looks like powdered sunshine! Emerald Triangle's ultra-potent PK booster takes it to the next level....
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.
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