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Super Sprouter Digital Heat Mat Thermostat (24/Cs)
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Pumps, Irrigation & Watering Supplies: Water Filters, Reverse Osmosis (RO) Systems: Water Filtration, Reverse Osmosis (RO) Systems, etc.

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Displaying 97 to 112 (of 183 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Triton RO|DI200 200gpd Reverse osmosis water filtration system   Hydro-Logic   Triton RO|DI200 200gpd Reverse osmosis water filtration system 
Triton RO|DI100 and RO|DI200The Triton line of aquarium specific water filtration systems, designed by Hydro-Logic Purification Systems, are built with one goal in mind: to deliver the highest quality, professional grade products, incorporating earth friendly designs and components.  We strive to offer the tools for the serious aquarist needed to maintain the healthiest and mo... FREE shipping when ordering $75 or more of qualifying items....more.
 728836   $277.19 
 UNION CONNECTOR MERLIN & TALLBOY   Hydro-Logic   UNION CONNECTOR MERLIN & TALLBOY 
Quick Connect Fittings For Merlin GP & Tall Boy Item No. 728940: 2 Way Splitter 3/8". This is a "y" splitter for multiple reservoirs for the Merlin GP RO system as well as the Tall Boy system. Item No. 728941: 3 Way Splitter 3/8". This is a "y" splitter for multiple reservoirs for the Merlin GP RO system as well as the Tall Boy system. Item No. 728942: 3/8" Quick Connect... ...more.
 728943   $3.40 
 Water Conditioning Magnet.      Water Conditioning Magnet. 
Aqua Flow Water Conditioning Magnet. Keeps nutrients soluble while keeping the feed lines clean of salt build-up. Plants love it They feel totally energized! Used on our demo systems to keep them looking and growing great!!Plant food can drop out of solution after going through a pumps electromagnetic field and can stick to the inside of pipes and tubes. This product corrects that ... — Ships via UPS from Portland, Oregon USA...more.
 MI400   $76.74 
    C.A.P. Custom Automated Products   100/200 Replacement Sediment Filter 
STEALTH 100 & 200 RO SYSTEM (HLSROSF)STEALTH 100 & 200 The Stealth reverse osmosis water filters will produce up to 200 gallons of water per day. It will remove 98% of chlorine, calcium, excessive minerals and other contaminants. It will help prevent nutrient lockup by allowing you to know exactly what your plants are getting. No guessing on the amounts of calcium and other mineral... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
 HLSROSF   $14.49 
 150 GPD Membrane   C.A.P. Custom Automated Products   150 GPD Membrane 
Pure Glacier Accessories (PGRO-M150)Pure Glacier RO systems by C.A.P. offer a full line of accessories to meet all your needs. Manufacturer's Product Information 2010 MSRP $79.95 ... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA FREE shipping when ordering $75 or more of qualifying items....more.
 PGRO-M150   $66.56 
 3-WAY SPLITTER FOR MERLIN & TALLBOY   Hydro-Logic   3-WAY SPLITTER FOR MERLIN & TALLBOY 
Quick Connect Fittings For Merlin GP & Tall Boy Item No. 728940: 2 Way Splitter 3/8". This is a "y" splitter for multiple reservoirs for the Merlin GP RO system as well as the Tall Boy system. Item No. 728941: 3 Way Splitter 3/8". This is a "y" splitter for multiple reservoirs for the Merlin GP RO system as well as the Tall Boy system. Item No. 728942: 3/8" Quick Connect... ...more.
 728941   $7.67 
 Active Aqua 100 GPD RO Membrane   HydroFarm   Active Aqua 100 GPD RO Membrane 
100 GPD RO Membrane A true thin film composite (TFC) reverse osmosis membrane, made from high quality TFC sheets - tested and proven to be the best material available for membrane applications. Rated for 100 or 150 gallons per day with a stabilized salt rejection of 98.6%. Fits most standard RO membrane housings. SKU: AARO701... — Ships from Seattle, Washington USA...more.
 eco-2385   $39.95 
 Active Aqua 150 GPD RO Membrane   HydroFarm   Active Aqua 150 GPD RO Membrane 
150 GPD RO Membrane A true thin film composite (TFC) reverse osmosis membrane, made from TFC sheets - tested and proven to be the best material available for membrane applications. Rated for 100 or 150 gallons per day with a stabilized salt rejection of 98.6%. Fits most standard RO membrane housings. SKU: AARO702 ... — Ships from Seattle, Washington USA...more.
 eco-2386   $45.32 
 Active Aqua 20" Carbon Block Filter   HydroFarm   Active Aqua 20" Carbon Block Filter 
20" Carbon Block Filter Even a small amount of chlorine can destroy your RO membrane. This carbon block filter removes chlorine before it can do any damage. Rated for approx. 3,750 gallons of water at 2 ppm chlorine. Great for removal of VOCs (volatile organic compounds), herbicides, pesticides, and other contaminants. Works with residential and commercial water purification syste... — Ships from Seattle, Washington USA FREE shipping when ordering $75 or more of qualifying items....more.
 eco-2384   $22.70 
 Active Aqua 20" Polyblown Sediment Filter   HydroFarm   Active Aqua 20" Polyblown Sediment Filter 
20" Polyblown Sediment Filter Super fine weaved filter removes smaller sediments from water without premature clogging. Use for first stage replacement on most standard RO systems. Ultra high capacity removes 90% of sediment. SKU: AARO502 ... — Ships from Seattle, Washington USA...more.
 eco-2382   $9.17 
 Active Aqua 20" RO-De Chlorination System   HydroFarm   Active Aqua 20" RO-De Chlorination System 
Active Aqua 20" De-Chlorination System Comes complete with a 10" sediment and 10" carbon filter to remove chlorine and sediment from water source. • Two stage 10" filter that will easily mount to the wall• Eliminates 99% of chlorine and 97% of the sediment from water• Includes feed adaptor, shut-off valve, filter wrench and instructions• Made in the USA• 3 year limited warranty ... — Ships from Seattle, Washington USA FREE shipping when ordering $75 or more of qualifying items....more.
 eco-2380   $124.25 
 Active Aqua Add On 100 GPD RO Membrane   HydroFarm   Active Aqua Add On 100 GPD RO Membrane 
Add On 100 GPD RO Membrane A true thin film composite (TFC) reverse osmosis membrane, made from TFC sheets - tested and proven to be the best material available for membrane applications. Rated for 100 or 150 gallons per day with a stabilized salt rejection of 98.6%. Fits most standard RO membrane housings. SKU: AARO705 ... — Ships from Seattle, Washington USA...more.
 eco-2387   $49.95 
 Active Aqua Dual Inline TDS Meter   HydroFarm   Active Aqua Dual Inline TDS Meter 
Dual Inline TDS Meter Dual range meter displays TDS levels of feed water and product water with in and out electrode probes. Highly efficient and accurate microprocessor technology. • Automatically shuts itself off after 10 minutes of non-use.• Dual range 0-9990 ppm (from 0-999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking ... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA...more.
 eco-2389   $33.95 
 Active Aqua Float Valve w/ Wing Nut   HydroFarm   Active Aqua Float Valve w/ Wing Nut 
Float Valve with Wing Nut Made with NSF approved PVCD and 18-8 stainless steel hardware. Adjustable arm can be used vertically or horizontally. Santoprene® rubber seals are long-wearing, chemical-resistant and replaceable. Recommended for use with a hydraulic automatic shutoff valve or as a top-level control. Includes jam nut, sealing washer, JACO compression nut and polyethylene ... — Ships from Seattle, Washington USA...more.
 eco-2390   $12.63 
 Active Aqua High Pressure Automatic Shutoff with Back Flow Preventer   HydroFarm   Active Aqua High Pressure Automatic Shutoff with Back Flow Preventer 
High Pressure Automatic Shutoff Valve with Back Flow Preventer High Pressure Automatic Shutoff (ASO) Valve. ***Sold as a kit, This product will only work when used in conjunction with a check valve (Back flow preventer, Included in kit)*** This High Pressure ASO is designed to shut off at 60% of line pressure and has built-in ports for Quick Connect 1/4" polyethylene tubing conn... — Ships from Seattle, Washington USA...more.
 eco-2392   $24.29 
 Active Aqua Two Stage RO   HydroFarm   Active Aqua Two Stage RO 
Two-Stage Reverse Osmosis System Specifically designed to generate small volumes of clean water on demand, this 2-stage system is one of the most economical RO systems in the world! Includes a single heavy-duty carbon block to eliminate chlorine and assure good RO membrane life. • Hydrofarm TFC membrane element• Heavy-duty wall mounting bracket• Made in the USA SKU: AARO312... — Ships from Seattle, Washington USA...more.
 eco-2378   $83.45 
Displaying 97 to 112 (of 183 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  [Next >>] 
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HM WATERPROOF PH METER
I run a plant tissue culture lab. the other reviewer is corr ..
4 of 5 Stars!
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Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

10" REPLACEMENT ACTIVE CARBON INSERT 2/PK
10" REPLACEMENT ACTIVE CARBON INSERT 2/PK
$15.01
$9.10
Most Viewed in Water Filtration, Reverse Osmosis (RO) Systems, etc.
HYDRO-LOGIC™ STEALTH 100
HYDRO-LOGIC™ STEALTH 100
HYDRO-LOGIC™  SMALL BOY
HYDRO-LOGIC™ SMALL BOY
HYDRO-LOGIC™ STEALTH 200
HYDRO-LOGIC™ STEALTH 200
HYDRO-LOGIC™ FLOWMASTER FLOW METER (SPECIAL ORDER ONLY)
HYDRO-LOGIC™ FLOWMASTER FLOW METER (SPECIAL ORDER ONLY)
STEALTH-RO100 REVERSE OSMOSIS FILTER-100 GPD
STEALTH-RO100 REVERSE OSMOSIS FILTER-100 GPD
HYDRO-LOGIC™ TALL BOY
HYDRO-LOGIC™ TALL BOY
HYDRO-LOGIC™ MERLIN GP PRESSURE BOOSTER PUMP (SPECIAL ORDER ONLY)
HYDRO-LOGIC™ MERLIN GP PRESSURE BOOSTER PUMP (SPECIAL ORDER ONLY)
HYDRO-LOGIC STEALTH MEMBRANE
HYDRO-LOGIC STEALTH MEMBRANE
HYDRO-LOGIC STEALTH CARBON FILTER
HYDRO-LOGIC STEALTH CARBON FILTER
HYDRO-LOGIC TALL BOY/BLUE SEDIMENT FILTER - 20"
HYDRO-LOGIC TALL BOY/BLUE SEDIMENT FILTER - 20"
HYDRO-LOGIC STEALTH SEDIMENT FILTER
HYDRO-LOGIC STEALTH SEDIMENT FILTER
HYDRO-LOGIC TALL BOY/BLUE CARBON FILTER - 20"
HYDRO-LOGIC TALL BOY/BLUE CARBON FILTER - 20"
HYDRO-LOGIC MERLIN GP MEMBRANE
HYDRO-LOGIC MERLIN GP MEMBRANE
HYDRO-LOGIC MERLIN GP CARBON FILTER
HYDRO-LOGIC MERLIN GP CARBON FILTER
HYDRO-LOGIC SMALL BOY SEDIMENT FILTER - 10"
HYDRO-LOGIC SMALL BOY SEDIMENT FILTER - 10"
HYDRO-LOGIC MERLIN GP SEDIMENT FILTER
HYDRO-LOGIC MERLIN GP SEDIMENT FILTER
HYDRO-LOGIC™ TALL BLUE
HYDRO-LOGIC™ TALL BLUE
UV STERILIZER FOR MERLIN GARDEN PRO (Special Order)
UV STERILIZER FOR MERLIN GARDEN PRO (Special Order)
STEALTH-RO200 OSMOSIS FILTER - 200 GPD
STEALTH-RO200 OSMOSIS FILTER - 200 GPD
HYDRO-LOGIC™ MERLIN GP FLOAT KIT (SPECIAL ORDER ONLY)
HYDRO-LOGIC™ MERLIN GP FLOAT KIT (SPECIAL ORDER ONLY)
Bestsellers
01.HYDRO-LOGIC™ STEALTH 100
02.HYDRO-LOGIC STEALTH SEDIMENT FILTER
03.HYDRO-LOGIC™ STEALTH 200
04.HYDRO-LOGIC STEALTH CARBON FILTER
05.HYDRO-LOGIC™ STEALTH FLOAT VALVE 1/4"
06.HYDRO-LOGIC STEALTH MEMBRANE
07.HYDRO-LOGIC™ FLOWMASTER FLOW METER (SPECIAL ORDER ONLY)
08.STEALTH-RO100 REVERSE OSMOSIS FILTER-100 GPD
09.HYDRO-LOGIC™ SMALL BOY
10.HYDRO-LOGIC TALL BOY/BLUE SEDIMENT FILTER - 20"
11.FLOAT VALVE 3/8" FOR TALL BOY
12.Hydro-logic Evolution RO1000
13.3/8" QC TO GARDEN HOSE CONNECTOR
14.HYDRO-LOGIC TALL BOY/BLUE CARBON FILTER - 20"
15.HYDRO-LOGIC™ TALL BOY
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