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
+ Quick Look
$25.20
Replacement filter housing for Stealth-RO units. Clear sump with male threads and double o-ring, black...
+ Quick Look
$89.96
Revolutionary new membrane technology, increased flow rate, ability to run at pressures as low as...
+ Quick Look
$4.28
Standard option included with Stealth-RO units. Reduces waste to product ratio from standard 3:1 to...
+ Quick Look
$17.10
This kit power flushes Stealth-RO membrane(s) to extend life of the unit.?ÕÌ_
+ Quick Look
$4.28
Standard option included with Stealth-RO units. Reduces waste to product ratio from standard 3:1 to...
+ Quick Look
$0.00
High capacity pre-filter for Merlin-Garden Pro with upgraded KDF85/Catalytic Carbon filter. 6,000 gallon filter life....
+ Quick Look
$147.56
Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. Filters chloramines...
+ Quick Look
$27.90
Replacement carbon filter for Tall Blue (HLTBL) or Tall Boy (HLTBY).
+ Quick Look
$0.00
Instant de-chlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter. 15,000 gallon filter life.
+ Quick Look
$9.45
Safely and neatly trim your hydroponic tubing in a snap with tube snips by Hydro-Logic....
+ Quick Look
$5.18
Two way splitter allows you to connect two ends of tubing to one (for 3/8"...
+ Quick Look
$114.26
Specifically designed to generate small volumes of clean water on demand, this 2-stage system is...
+ Quick Look
$4.28
1/4" union connector for Hydro-Logic Reverse Osmosis water-filtration systems. Viva la union!
+ Quick Look
$4.50
3/8" union connector for Hydro-Logic Reverse Osmosis water-filtration systems. Viva la union!
+ Quick Look
$89.10
Ultra Violet Sterilizer for after-Stealth RO water. Assures 100% of bacteria and viruses are sterilized....
Capital City Hydroponics is now closed.
Come visit us at CAPITAL CITY ORGANICS in Brookland, DC
11am-7pm Mon-Sat ;
11am-5pm Sundays
All Materials © 2021 Capital City Hydroponics | 
Website by Sleepless Media | Powered by Shopify
