Hydrologic

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2-Way Splitter 1/4" QC

1/4" QC 2-Way Splitter - "y" splitter for multiple reservoirs...

$5.50

Add On De-Ionization Kit for Evolution-RO 1000 - 4.5"x1

A post polishing de-ionization filter that removes any remaining PPM down to zero...

$199.95

Algae block Clear filter housing sleeve

Use the Hydrologic reverse osmosis water filter Algae Block clear filter housing sleeve to customize..

$12.95

Big Boy 20" Filter Housing

Big Boy - 20" x 4.5" filter housing - grey/black cap - 1" ports..

$89.00

Big Boy Carbon Filter

Keep your water fresh, your equipment in tip-top shape, and your grow room at its best by making the..

$77.95

Big Boy Extra High Flow 420 GPH

Ultra high capacity instant dechlorinator. Removes 99% of chlorine and 90% of sediment. Comes with c..

$438.95

Big Boy Garden Hose Connection Kit

Use the Hydrologic reverse osmosis water filter Big Boy garden hose connection kit to customize your..

$18.00

Big Boy KDF85 Carbon Filter

Hydrologic Big Boy KDF85 Carbon Replacement Filter. The KDF85 Filter is ideal for well water users w..

$127.95

Big Boy Pleated Cleanable Sediment FIlter

Keep your water fresh, your equipment in tip-top shape, and your grow room at its best. This ultra-h..

$56.95

Big Boy UV Sterilizer Mounting

UV Sterilizer Kit - Big Boy - 8 GPM with ballast and wall mounting clips...

$45.00

Big Boy w/ Upgraded KDF85/Catalytic Carbon Filter

Big Boy extra high capacity dechlorinator and sediment filter with upgraded KDF85/Catalytic Carbon f..

$505.00

Carbon Filter for Tall Boy and Tall Blue

Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydrologic's ..

$74.95

Comp Thread Feed ValveTee 3/8" QC x 3/8" x3 /8"

Use the Hydrologic reverse osmosis water filter Hydrologic Reverse Osmosis Water Filter 1/4" QC x 3/..

$9.00

De-Ionization Cartridge color changing

De-Ionization Cartridge (Big): 10" X 4.5"- Color changing- Transluscent housing  ..

$79.95

DM-2 Industrial Dual TDS Monitor

Measure the untreated water coming in vs. the purified water going out of your reverse osmosis syste..

$75.00

Drain Saddle, QC for 1" to 1.5" 3/8"

The black drain line of your RO system can be connected to the main drain under your sink for a clea..

$9.50