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
Sunday 11-6pm
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
Sunday 11-6pm
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$269.95
Quantum 1000W Dimmable 120/240vac Ballasts are designed to meet the most demanding requirements of indoor gardeners....
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$159.95
Quantum 400W Dimmable Ballast The Quantum Dimmable Ballast brings quality, efficiency, and high intensity illumination to your...
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$184.95
Quantum 600W Dimmable 120/240vac Ballasts are designed to meet the most demanding requirements of indoor gardeners....
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$183.95
Quantum T5 fluorescent fixtures use high efficiency, active electronic ballasts to power the high output,...
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$243.95
Quantum T5 fluorescent fixtures use high efficiency, active electronic ballasts to power the high output,...
+ Quick Look
$94.95
T5 4' Fluorescent grow lamp. 2900 (case of 8)
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$11.87
Quantum HO T5 bulb 2900K red 4' single HIGH OUTPUT Lamps: Triphosphor coated. 2900 Kelvin/5,049 lumens...
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$94.95
T5 4' Fluorescent grow lamp. 6500 (case of 8)
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$11.87
Quantum HO T5 bulb 6500K blue 4' (case of 8) HIGH OUTPUT Lamps: Triphosphor coated...
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$14.95
This Quantum T5 Replacement Reflector for two tubes is the same high quality German glass coated aluminum reflector panel that...
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$295.95
Quantum T5 fluorescent fixtures use high efficiency, active electronic ballasts to power the high output,...
+ Quick Look
$94.95
Quantum HO T5 bulb 2900K red 4' (case of 8) HIGH OUTPUT Lamps: Triphosphor coated. 2900...
+ Quick Look
$94.95
Quantum HO T5 bulb 6500K blue 4' (case of 8) HIGH OUTPUT Lamps: Triphosphor coated...
+ Quick Look
$11.87
Quantum HO T5 bulb 6500K blue 4' HIGH OUTPUT Lamps: Triphosphor coated 6500 Kelvin/4,752 lumens...
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$487.95
Quantum T5 fluorescent fixtures use high efficiency, active electronic ballasts to power the high output,...
+ Quick Look
$567.95
Quantum T5 fluorescent fixtures use high efficiency, active electronic ballasts to power the high output,...
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 ;
11am-5pm Sundays
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