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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

Water Filtration

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Float Valve 20+ GPM for Big Boy

Float Valve 20+ GPM for Big Boy $60.30

Float Valve 3/8"

Float Valve 3/8" $17.10

Float Valve with Wing Nut

Float Valve with Wing Nut $15.26

Float Valve, 1/2" Barb, Adjustable Water Level

Float Valve, 1/2" Barb, Adjustable Water Level $17.10

Flowmaster gal Meter

Flowmaster gal Meter $53.10

Gro Green Garden Hose Water Filter

Gro Green Garden Hose Water Filter $49.46

High Pressure Automatic Shutoff Valve

High Pressure Automatic Shutoff Valve $24.26

High Pressure Automatic Shutoff Valve with Back Flow Preventer

High Pressure Automatic Shutoff Valve with Back Flow Preventer $33.26

Hydro-Logic Replacement Carbon Filter for Small Boy/Stealth

Hydro-Logic Replacement Carbon Filter for Small Boy/Stealth $35.10

Hydro-Logic Replacement Carbon Filter for Tall Boy and Tall Blue

Hydro-Logic Replacement Carbon Filter for Tall Boy and Tall Blue $67.46

Hydro-Logic Stealth-RO150 with Upgraded KDF 85 Filter

Hydro-Logic Stealth-RO150 with Upgraded KDF 85 Filter $224.95

Male x Male Adapter For Supply Diverter Valve For Faucet

Male x Male Adapter For Supply Diverter Valve For Faucet $3.15

Membrane Flush Kit

Membrane Flush Kit $18.86

Merlin Booster Pump

Merlin Booster Pump $296.10

Merlin Carbon Replacement Filter

Merlin Carbon Replacement Filter $31.46

Merlin GP UV Sterlizer Kit

Merlin GP UV Sterlizer Kit $89.10

Merlin Membrane Replacement Filter

Merlin Membrane Replacement Filter $141.26

Merlin Sediment Replacement Filter

Merlin Sediment Replacement Filter $23.36

Merlin-GP Eco-Green Drain Elbow 3/8" QC SPO

Merlin-GP Eco-Green Drain Elbow 3/8" QC SPO $17.10

Pre-Evolution KDF/Catalytic Carbon Filter 10

Pre-Evolution KDF/Catalytic Carbon Filter 10 $80.96

Pre-Evolution Pre-Filter, High Capacity

Pre-Evolution Pre-Filter, High Capacity $251.96

Pre-Evolution Sediment Filter, Cleanable, 10"

Pre-Evolution Sediment Filter, Cleanable, 10" $31.46

Pressure Booster Pump Continuous Duty for Evolution

Pressure Booster Pump Continuous Duty for Evolution $791.96

Pressure Regulator w/ 3/8" QC fittings

Pressure Regulator w/ 3/8" QC fittings $44.10

Quick Disconnect 1/2" X Garden Hose Adapter $0.00

Quick Disconnect 3/8" X Garden Hose Adapter $0.00

Replacement filter for Stealth Reverse Osmosis filtration system

Replacement filter for Stealth Reverse Osmosis filtration system $13.05

Replacement Green Carbon Filter for Stealth Reverse Osmosis Filtration System

Replacement Green Carbon Filter for Stealth Reverse Osmosis Filtration System $14.85

Shut Off Kit for Garden Pro

Shut Off Kit for Garden Pro $134.10

Small Boy De-Chlorinator & Sediment Filter

Small Boy De-Chlorinator & Sediment Filter $96.26

Small Boy Upgrade Kit, Converts to Stealth RO-100

Small Boy Upgrade Kit, Converts to Stealth RO-100 $90.00

Small Boy w/ Upgraded KDF85/Catalytic Carbon Filter

Small Boy w/ Upgraded KDF85/Catalytic Carbon Filter $116.51

Small Boy X 1/4" Quick Connector

Small Boy X 1/4" Quick Connector $5.85

Stealth Reverse Osmosis replacement Membrane

Stealth Reverse Osmosis replacement Membrane $74.70

Stealth RO 100 & 200 Booster Pump

Stealth RO 100 & 200 Booster Pump $188.96

Stealth RO-100 Upgrade Kit, Converts to Stealth RO-200

Stealth RO-100 Upgrade Kit, Converts to Stealth RO-200 $81.00

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Location

3744 10th St NE, Washington DC
Capital City Organics
202-248-2483
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Store Hours

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