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
Sort by vendor ▼
3/4" Grommet Insert that goes into the 1" grommet as an adapter for barbed fittings...
View full product details →
AncientForest® soil amendment Ancient Forest is a natural product consisting of 100% pure forest humus....
Blue 1/2" fill-and-drain tubing.
CALiMAGicTM is a concentrated blend of readily available Calcium and Magnesium. It is formulated to...
Grow Mats are designed to lie underneath Baskets, Slabs, and Cubes, and can easily be...
CocoTek® is pH balanced and contains low sodium content for coir fiber. It increases water...
CocoTek Compressed bricks are composed of low sodium coconut coir and chips. Each brick will...
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.
The scientists at General Hydroponics have formulated FloraNectar to optimize the greatest transference of sweetness...
FloraNectar Fruit-n-Fusion contains all natural raw cane sugar, molasses, malt syrup, select plant based esters,...
FloraNectar Fruit-n-Fusion 0-0-1 contains all natural raw cane sugar, molasses, malt syrup, select plant based...
Optimizes the greatest transfer of sweetness and aroma into your fruits and flowers. Contains all...
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 ;
All Materials © 2020 Capital City Hydroponics | Website by Sleepless Media | Powered by Shopify