$15.26
These Active Aqua float valves are made with NSF-approved PVCD and 18-8 stainless steel hardware. ...
$17.10
1/2" barbed connection. Adjustable water level and can be mounted horizontally or vertically.
$53.10
The Flowmaster by Hydro-Logic measures how many gallons of filtered water have gone through the...
$49.46
Compact garden hose filter. Eco-friendly green coconut carbon and KDF55 medias. Includes "filter saver" brass...
$24.26
When back pressure builds due to the product line being full, the valve is activated...
$33.26
High Pressure Automatic Shutoff (ASO) Valve. This High Pressure ASO is designed to shut off...
$35.10
Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydro-Logic's newest...
$67.46
Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydro-Logic's newest...
$224.95
Removes 98%+ of all contaminants in your tap water including chloramines! Leading the industry in...
$3.15
Allows ?Õ_" and 3/8" faucet diverters to connect to faucets with 15/16" - 27 female...
$18.86
Power flushes your RO membrane to extend membrane life. Kit includes tubing, valve and connectors....
$31.46
Replacement carbon filter for Merlin (Garden Pro) RO filtration system.
$89.10
The 1 GPM Ultra-Violet Sterilizing filter makes sure that any possible bacteria or harmful micro-organism...
$141.26
Replacement membrane filter for Merlin (Garden Pro) RO filtration system.
$23.36
Replacement sediment filter for Merlin RO filtration system.
$17.10
Eco-Green Drain Elbow 3/8" QC, for the Merlin-GP Produces 30 gallons per hour or 750...
$80.96
Standard carbon pre-filter included with the Evolution system. For high-capacity chlorine and chloramine reduction in...
$251.96
High capacity pre-filter for Evolution-RO1000. Adds 2 extra pre-filter stages before Merlin-GP.
$31.46
Standard sediment pre-filter included with the Evolution system. Pleated and cleanable.
$791.96
Heavy duty, commercial booster pump designed for continuous use. Includes integrated low pressure and high...
$44.10
Pressure Regulator - 3/8" QC fittings -makes sure no more than 85 psi reaches filter...
$0.00
Quick Disconnect 1/2" X Garden Hose Adapter Does not include hose.
$0.00
Quick Disconnect 3/8" X Garden Hose Adapter Does not include hose.
$13.05
Replacement filter for Stealth RO100 Customized Reverse Osmosis Filter (HLRO100).
$14.85
Replacement green carbon filter for stealth reverse osmosis filtration system
$134.10
This kit consists of a float valve with a 3/8" quick connect fitting and adjustable...
$96.26
Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. @ 1...
$90.00
Upgrades Small Boy to 100 GPD RO system.
$116.51
Instant de-chlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter. Stand alone. 6,000 gallon filter...
$5.85
.25" quick connector for the hydro-Logic Small Boy De-chlorinator & sediment filter.
$74.70
These membranes are standard equipment in our SP, CHP, MPRO, MPDI RO/DI, and the MPDW...
$188.96
The Stealth Pressure Booster Pump increases the flow and efficiency of the Stealth RO-100 water...
$81.00
Upgrades Stealth-RO100 to Stealth-RO200
$15.75
Stealth RO100/200 pressure gauge/fitting assembly
Capital City Hydroponics is now closed.
Come visit us at CAPITAL CITY ORGANICS in Brookland, DC
11am-7pm Mon-Sat ;
11am-5pm Sundays