Water Filtration

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

KDF85/Catalytic Carbon Upgrade Filter 20" X 2.5" For use with TallBoy™ and TallBlue™ Doubles filter life - 50,000 gallon capacity Reduces chloramines, chlorine, iron, sulfur and heavy metals Great for city or well water- Bacteriostatic qualities do not allow microbes to breed in filter Learn More

This is to connect 2 lengths of equal sized tubing together for the Merlin GP RO system as well as the Tall Boy system. Learn More

PreEvolution™ KDF/Catalytic Carbon Filter - 10" x 4.5" is the standard carbon pre-filter included with system. For high capacity chlorine and chloramines reduction for city water. Also for well water for iron, hydrogen sulfide, and heavy metals reduction. Learn More

Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. @ 1 GPM. Easily produces 60 gallons per hour of clear water filtered down to 5 microns. Filter capacity of 3,000 gallons. NO MORE WAITING 24+ hours for chlorine to dissipate. Harmful chloramines can NOT be bubbled out - ONLY FILTERED OUT! Keep your beneficial bacteria fungi and micro-organisms ALIVE & HEALTHY! ESSENTIAL for bio-organic horticulture, compost teas, and hydroponics. ECONOMICAL SOLUTION for city/municipal water users. Learn More

Keep your Hydro-Logic Stealth RO filter working in top condition a new filter! The Stealth RO system uses three types of filters; an RO membrane, a carbon filer, and a sediment filter This filter removes large and medium sized debris from your water source. It is the first filter in the system and should be replaced or rinsed regularly. It is recommended you rinse this filter every 3 to 4 and replace every 6 to 12 months with continuous use, please see your user manual for more information on filter care and replacement. Learn More

Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. 63 2 GPM. Easily produces 120 gallons per hour of clear water filtered down to 5 microns. Filter capacity of 7,500 gallons. REMOVE CHLORINE IMMEDIATELY and have clean water at 2 GPM. NO MORE WAITING 24+ hours for chlorine to dissipate Harmful chloramines can NOT be bubbled out, ONLY FILTERED OUT! Keep your beneficial bacteria & micro-organisms ALIVE AND HEALTH! All white components increases UV RESISTANCE outdoors. EVERYTHING INCLUDED in the box to hook up to your existing host and spigot Learn More

CL2 2.5" x 10" Micron Green Block Carbon Filter - 10 Micron Perfect use for your Stealth RO 100 / 200 and Small Boy Systems No Release of Carbon Fines Exceptionally Low Pressure Drop Manufactured from NSF Std 61 Certified Coconut Shell greencarbon Performance Validated by WQA NSF Certified for Material Safety - Standard 42 Industry Leading Performance at a Competitive Price Learn More

2-1/2" x 10" Poly Pleated Sediment Cartridge 5 Micron Filter Filtration Perfect replacement filter for Stealth RO Systems Learn More

1.75" x 11.75" Residential Tap Water Membrane - 100 GDP Rated at 50 psi and will purify about 20% more water than competitive elements rated at 60 psi. Membrane Life: 2-5 years NSF/ANSI Standard 58 listed. Learn More

Big Boy extra high capacity de-chlorinator and sediment filter. High flow rate of 7 gallons per minute or 420 gallons per hour. Whole house filter or stand alone (*with optional garden hose connection kit). It has a 25,000 gallon capacity. Removes 99% of chlorine and 95%+ of sediment. Give your plants and family pure H20 with NO offensive tastes or odors. Learn More

Big Boy extra high capacity de-chlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter. 50,000Gallon filter life. Can be used as a whole house or for stand alone applications. Learn More

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 function conserves battery power. The unit shuts off automatically after 20 seconds. 90 ppm, the resolution is in 10 ppm increments, indicated by a blinking 'x10' image. Factory calibrated all meters are calibrated with a 342 ppm NaCl solution. Meters can be re-calibrated. Comes equipped with a 1/2" inlet and 3/8" outlet. Quick Connect T-fittings for Merlin-Garden Pro or Tall Blue-Merlin for quick install. Learn More

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The Evolution-RO1000 KDF/Catalytic Carbon pre-filter is the standard carbon pre-filter included with system. For chlorine and chloramines reduction for city water. Also for well water for iron, hydrogen sulfide, and heavy metals reduction. Learn More

The Evolution-RO1000 Membrane Element is the standard membrane included with system. 2 needed for system. Learn More

The Flowmaster measures how many gallons of filtered water have gone through the system and alerts you when it's time to change filters. You can program in the filter capacity and when you reach the target number of gallons the Flowmaster beeps. This is important for knowing when to change the pre-filter for the Merlin-Garden Pro. It also ensures your system runs at its peak efficiency at removing contaminants. Available in 3/8" quick connect for the Merlin-Garden Pro & Tall Boy. Learn More

KDF85/Catalytic Carbon Upgrade Filter: 20" X 4.5" For use with BigBoy™ Doubles filter life - 50,000 gallon capacity Reduces chloramines, chlorine, iron, sulfur and heavy metals Great for city or well water- Bacteriostatic qualities do not allow microbes to breed in filter Learn More

KDF85/Catalytic Carbon Upgrade Filter: 10" X 2.5" For use with Stealth-RO100/200™ and SmallBoy™ Doubles filter life - 50,000 gallon capacity Reduces chloramines, chlorine, iron, sulfur and heavy metals Great for city or well water- Bacteriostatic qualities do not allow microbes to breed in filter Learn More

This pump is designed to be installed before the Merlin-Garden Pro to boost the inlet pressure. This unit is also compatible with the Evolution 1000 RO. There needs to be at least 40 psi and up to 80 psi of inlet pressure for the Merlin-Garden Pro to function properly. People on wells and other situations of low pressure can benefit greatly from this pump. It boosts the pressure up to 65 psi allowing the Merlin-Garden Pro to run with higher flow and efficiency while having better TDS removal. The 5 diaphram pump, specifically designed for the Merlin, is a workhorse but runs quietly. Comes with 120v cord and 1/2" quick connect fittings. Learn More

This is a "Y" splitter for multiple reservoirs for the Merlin GP RO system as well as the Tall Boy system. Learn More

This is a "Y" splitter for multiple reservoirs for the Merlin GP RO system as well as the Tall Boy system. Learn More

Ensures your Evolution-RO1000™ runs more efficiently Less filter changes and maintenance - every 7,500 gallons of purified water Cleanable sediment filter is re-usable Combination of KDF85 and KDF55 with earth-friendly catalytic carbon filter reduces chlorine, chloramines, iron, sulfur and heavy metals Great for city or well water Highly recommended when using more than 150 gallons of purified water per week average 2 extra stages of filtration prior to the EvolutionRO-1000 Extends pre-filter life of the EvolutionRO-1000 from 2,000 to 7,500 gallons Protects your investment and ensures maximum efficiency Learn More

PreEvolution™ Sediment Filter - 10" x 4.5" is the standard sediment pre-filter included with system. Pleated and cleanable filter. Learn More

This is the feed connector included with the Tall Boy. A spigot can be attached to one end and the 3/8" feed tubing, included with the Tall Boy, can be attached to the other end. Learn More

This carbon block filter is included with the Stealth RO / Small Boy and can filter out sediment, chlorine, organic, chemicals, etc. It has a capacity of approximately 3,000 gallons depending on inlet water quality. This filter contains activated carbon, a substance that has a surface area of over a football feild per gram. This filter purifies water beyond what most home filters are capable of, yet it is only a pre filter for the Stealth's advanced RO membrane. It is recommended you replace this filter every 6 to 12 months with continuous use, please see your user manual for more information on filter care and replacement. Learn More

These membranes are standard equipment in our SP, CHP, MPRO, MPDI RO/DI, and the MPDW Drinking Water Systems. All 25 to 90 GPD membranes will fit in our standard membrane housing. The Standard Membrane is also available as a replacement option for most competitors' reverse osmosis systems. Learn More

This is the feed connector included with the Tall Boy. A spigot can be attached to one end and the 3/8" feed tubing, included with the Tall Boy, can be attached to the other end. Learn More

Produces up to 100 GPD (gallons per day) of ultra-pure, low PPM water. Removes 98%+ of chlorine and contaminants. Wastes approximately 25% less water than other RO Systems. Everything included in the box for quick hook-up. Customized for gardening and hydroponics. *Based on 77° F 60 psi, 550 ppm inlet water. Learn More

Package Includes: Stealth RO Carbon Filter - This filter contains activated carbon, a substance that has a surface area of over a football field per gram. This filter purifies water beyond what most home filters are capable of, yet it is only a pre filter for the Stealth's advanced RO membrane. Stealth RO Sediment Filter - This filter removes large and medium sized debris from your water source. It is the first filter in the system and should be replaced or rinsed regularly. Stealth RO Membrane Filter - The RO Membrane filters water down to the microscopic level, allowing nothing bigger than a water molecule through. Learn More

Package Includes: Stealth RO Carbon Filter - This filter contains activated carbon, a substance that has a surface area of over a football field per gram. This filter purifies water beyond what most home filters are capable of, yet it is only a pre filter for the Stealth's advanced RO membrane. Stealth RO Sediment Filter - This filter removes large and medium sized debris from your water source. It is the first filter in the system and should be replaced or rinsed regularly. (2) Stealth RO Membrane Filter - The RO Membrane filters water down to the microscopic level, allowing nothing bigger than a water molecule through. Learn More

Replaces standard Stealth RO 100 & Stealth RO 200 flow restrictors to save 50% of the drain water. Gives a 1:1 ratio. Save more water! WARNING: This product reduces waste water and can lead to a reduction in membrane life. The higher your source water's Parts Per Million (ppm) are, the shorter your membrane life will be. Not recommended if source water is above 300 Parts Per Million. USE AT YOUR OWN RISK. Learn More

Use the Hydrologic reverse osmosis water filter Pressure Gauge for Garden Hose spigot to customize your indoor hydroponic garden. Learn More

Ultra Violet Sterilizer for after-Stealth RO water. Assures 100% of bacteria and viruses are sterilized. 0.5 GPM Comes with ballast and clips Learn More

Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. Filters chloramines and particulates down to 5 microns. RECOMMENDED when Merlin Garden Pro is producing more than 140 gallons of RO water per week average. ESSENTIAL for protecting Merlin Garden Pro's RO membranes by producing ultra clean feed water. EXTENDS THE LIFE of Merlin Garden Pro's pre-filter by 3 times allowing for less frequent changes (about 4,500 of RO water or 6-9 months) FAST & ECONOMICAL filter changes to assure system runs efficiently and Merlin Garden Pro is able to work better. Learn More

This carbon block filter is included with the Tall Boy and can filter out sediment, chlorine, organic chemicals, etc. It has a capacity of approximately 7,500 gallons depending on inlet water quality. Learn More

This sediment filter is included with the Tall Boy and can filter out silt, rust, sand, etc. It has a capacity of approximately 7,500 gallons depending on inlet water quality. Learn More

Ultra Violet Sterilizer for after-Stealth RO water. Assures 100% of bacteria and viruses are sterilized. 0.5 GPM Comes with ballast and clips Learn More

Push-fit plastic fitting for the connection of plastic, copper, and CPVC pipe. Designed, manufactured and assembled by John Guest Speedfit. Simply push the fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. Should the need arise to demount the connection unlock the nut and push the collet towards the body of the fitting and pull the pipe to release. The fitting ensures an easier working environment in confined places, is approved for behind the wall installations, and removes the need for hot works on site. Installation can be reduced by around 40% when compared to traditional fixing methods. Learn More

Push-fit plastic fitting for the connection of plastic, copper, and CPVC pipe. Designed, manufactured and assembled by John Guest Speedfit. Simply push the fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. Should the need arise to demount the connection unlock the nut and push the collet towards the body of the fitting and pull the pipe to release. The fitting ensures an easier working environment in confined places, is approved for behind the wall installations, and removes the need for hot works on site. Installation can be reduced by around 40% when compared to traditional fixing methods. Learn More

Push-fit plastic fitting for the connection of plastic, copper, and CPVC pipe. Designed, manufactured and assembled by John Guest Speedfit. Simply push the fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. Should the need arise to demount the connection unlock the nut and push the collet towards the body of the fitting and pull the pipe to release. The fitting ensures an easier working environment in confined places, is approved for behind the wall installations, and removes the need for hot works on site. 3/8 in Quick Connect Inline Shut Off Valve. This is used to shut off feed or outlet line to system. This valve is for the Evolution RO1000™ and Tall Boy™ system. Learn More

Push-fit plastic fitting for the connection of plastic, copper, and CPVC pipe. Designed, manufactured and assembled by John Guest Speedfit. Simply push the fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. Should the need arise to demount the connection unlock the nut and push the collet towards the body of the fitting and pull the pipe to release. The fitting ensures an easier working environment in confined places, is approved for behind the wall installations, and removes the need for hot works on site. Installation can be reduced by around 40% when compared to traditional fixing methods. Learn More

Produces up to 200 GPD* ultra-pure, low PPM water. Removes 98%+ of chlorine & contaminants. Wastes approximately 25% less than other RO Systems. Everything included in the box for quick hook-up. *Based on 77° F 60 psi, 550 ppm inlet water. STABILIZE pH levels & avoid mineral build-up All HIGH-QUALITY nutrients are formulated & have feed charts based on pure RO water. Crucial for EXPLOSIVE RESULTS for all hydroponics & gardening ESSENTIAL for health of beneficial micro-organisms & bio-organic growers Learn More

This pump is designed to be installed before the Stealth-RO to boost the inlet pressure. There needs to be at least 40 psi and up to 80 psi of inlet pressure for the Stealth-RO to function properly. People on wells and other situations of low pressure can benefit greatly from this pump. It boosts the pressure significantly, allowing the Stealth-RO to run with higher flow and efficiency while having better TDS removal. The pump is designed for long service life and runs very quietly. Learn More

A submersible pump is inserted into this filter bag to prevent sediment from clogging it. Use of the filter bag will prolong the life and reduce cleaning/maintenance of the pump. A must have for EVERY pump! Small Filter Bag works with the following pumps: Eco 66, Eco 100 and Eco 132. Large Filter Bag works with the following pumps: Eco 185, Eco 264, Eco 396, Eco 633, Mag Drive 250 & 350, Little Giant PE-1, LG 1, NK-1 and NK-2. Learn More