Hydrologic's reverse osmosis filter tubing in white. Sold in lengths of 25 feet with an outer dimension of 1/2" and an inner dimension of 3/8". Extra tubing can be useful for customizing your indoor...

Hydrologic's reverse osmosis filter tubing in blue. Comes in lengths of 50 feet with an outer dimension of 1/4 inch. Extra tubing can be useful for customizing your indoor hydroponic water...

1/4" QC x 1/4" MNPT - straight: included with Small Boy for inlet and outlet.

2.5 inch replacement wrench for standard housing on the Hydrologic Reverse Osmosis Water filtration systems.

Hydrologic's reverse osmosis filter tubing in black. Sold in lengths of 50 feet with an outer dimension of 3/8". Extra tubing can be useful for customizing your indoor hydroponic water filtration...

Use the Hydrologic reverse osmosis water filter 3/8" ball valve inline shut-off to customize your indoor hydroponic garden water purification system.

Hydrologic's reverse osmosis filter tubing in blue. Sold in lengths of 50 feet with an outer dimension of 3/8". Extra tubing can be useful for customizing your indoor hydroponic water filtration...

Keep your water fresh, your equipment in tip-top shape, and your grow room at its best by making the commitment to exchange your filters. This carbon filter works with the Big Boy water filtration...

Ultra high capacity instant dechlorinator. Removes 99% of chlorine and 90% of sediment. Comes with cleanable sediment filter and in/out pressure gauges to monitor when to change filters. Can be used...

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

Hydrologic Big Boy KDF85 Carbon Replacement Filter. The KDF85 Filter is ideal for well water users with iron and sulfur and city water users with chloramines.

Big Boy extra high capacity dechlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter. 50,000-gallon filter life. Can be used as a whole-house or for standalone applications.

Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydrologic's newest offering in replacement filters for all their water filter units. KDF85 is the most advanced...

Measure the untreated water coming in vs. the purified water going out of your reverse osmosis system at any time. This is important in determining when the RO membranes need to be changed.Auto-Off...

Use the Hydrologic reverse osmosis water filter Evolution RO1000 1:1 ratio orange drain elbow 3/8" QC to customize your indoor hydroponic garden.

Float Valve, 1/4", works to maintain proper water levels in your Hydrologic water filtration system. 

Use the Hydrologic reverse osmosis water filter Float Valve 20+ GPM for Big Boy or Delivery Pump to customize your indoor hydroponic garden.

Float Valve, 3/8", helps to maintain proper water levels in your Hydrologic water filtration system.

Hydrologic's float valve with a 1/2" barbed connection provides the ability to adjust the water level in water filtration systems. The float valve can be mounted horizontally or vertically.

Compact garden hose filter. Eco-friendly green coconut carbon and KDF55 medias. Includes "filter saver" brass hose bib connector. Customized flow restrictor allows ideal contact time with filtration...

Replacement membrane filter for the HydroLogic Merlin (Garden Pro) Reverse Osmosis filtration system. Easy to install. Keep your filtration system in tip top shape.

MicRO 75 GPD RO replacement membrane.

Micro sized, portable reverse osmosis system. Entry level, economical solution. 75 gallons per day. Includes KDF/carbon pre-filter and 75 GPD membrane. Also comes with garden hose connector, 1/4"...

Standard carbon pre-filter included with the Evolution system. For high-capacity chlorine and chloramine reduction in city water. Also for the reduction of iron, hydrogen sulphide and heavy metals in...

High capacity pre-filter for Evolution-RO1000. Adds 2 extra pre-filter stages.  Ensures that the Evolution Reverse Osmosis system runs more efficiently. Reduces filter changes to every 7,500 gallons...

Standard sediment pre-filter included with the HydroLogic Evolution systems. Pleated and cleanable. Sturdy design for filtering sediment from water.

Quick Disconnect 1/2" X Garden Hose Adapter. Also comes in a 3/8th inch size. Comes in white. Does not include hose.  

Quick Disconnect 3/8" X Garden Hose Adapter. Does not include hose. Also available in a 1/2" size. Comes in white.  

Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydrologic's newest offering in replacement filters for all their water filter units. KDF85 is the most advanced...

Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. @ 1 GPM. Easily produces 60 gallons of clear water per hour filtered down to 5 microns. Filter capacity of 3,000 gallons.

Hydrologic's instant dechlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter. Stand alone. 6,000 gallon filter life.

These 1/4 inch Quick Connectors are for use with the Hydro-Logic Small Boy Dechlorinator and Sediment Filter. The Small Boy Dechlorinator and Sediment filter is capable of removing up to 99% of...

The stealthRO Pressure Booster Pump increases the flow and efficiency of the StealthRO 100 water filtration system, boosting inlet pressure to 70 psi. The stealthRO needs inlet pressure between 40...

Standard option included with stealthRO units. Reduces waste to product ratio from standard 3:1 to 2:1. Saves more water. 

Stealth-RO300™ Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth includes your choice of both 1:1 and 2:1 waste to product water ratios. Customized...

For use with the Hydrologic water filtration systems in indoor garden hydroponics. This is a replacement carbon filter for Tall Blue (HLTBL) or Tall Boy (HLTBY) units.

For use with Hydrologic's water filtration systems. This is a replacement sediment filter for Tall Blue (HLTBL) or Tall Boy (HLTBY) units.

Stealth Double Ended Wrench for standard filter housing & membrane housings.