LABORATORY GRADE WATER PURIFICATION PRODUCTS

Our Reefkeeper RODI systems are perfect for saltwater aquarium water. We offer the highest quality water filters available on the planet at great prices! FREE SHIPPING>$99

~home of the h2o Guru, since 1982~
SHOP RODI SYSTEMS

ZERO TDS REEFKEEPER RODI SYSTEMS

Lifetime Warranty. Lab grade. 0.00 TDS. 99% rejection rate. Every system is handmade, pressure tested & heavy duty packed the day you order.
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TYPHOON 5 STAGE REEFKEEPER RODI
$194.95 from $175.95
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TYPHOON III REEFKEEPER RODI
$214.95 from $193.95
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TYPHOON III EXTREME 150 GPD REEFKEEPER RODI
$344.95 from $310.95
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NEPTUNE 8 STAGE REEFKEEPER RODI with 2 MEMEBRANES & 3 DI's
$414.95 from $373.95
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COMPACT 5 STAGE REEFKEEPER RODI
$174.95 from $157.95
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COMPACT III REEFKEEPER RODI
$198.95 from $179.95
DUAL HOME REEF
from $251.95
HURRICANE DUAL HOME REEF
from $311.95
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CYCLONE 4 STAGE REEFKEEPER RODI
$174.95 from $157.95
MIGHTY MITE 50 GPD RODI
$124.95
1000 GPD PUMP DRIVEN COMMERCIAL RO
from $1,799.95

Drinking Water RO Systems

For families, dental offices, boats, RV's or any location where you desire the best drinking water possible. We only build with NSF lab grade components.
WATER COP - 5 STAGE RO 50 GPD
from $221.95
ED - EXTRA DUTY REVERSE OSMOSIS UNIT
from $281.95
MINI UNDER-THE-SINK RO SYSTEM
from $169.95
MAX UNDER-THE-SINK RO SYSTEM
from $229.95
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Mighty Mite RO System 50GPD
$119.95 from $99.95
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Restructuring Pod +PH Boost Filter +Magnesium +Calcium
$249.95 $189.95

Filter Packs, Filters & Media

We have specifically designed every filter pack array to ensure you get the highest performance possible out of your water purification system. Sediment, Carbon, DI Resin & more at affordable prices since 1982!
Typhoon Filter Pack
from $45.95
Extreme TPack
from $54.95
4 Pack Filters
from $34.95
Chloramine 4 Pack
from $43.95
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Restructuring Pod +PH Boost Filter +Magnesium +Calcium
$249.95 $189.95
Ph Restructuring Pod Refill
$79.95
Max Mini Mighty Mite Filter Pack
from $28.95
Mighty Mite Filter Pack with DI
from $39.95
Compact Reefkeeper Filter Pack
from $47.95
Cyclone 4 Stage Filter Pack
from $35.95
Dual Home Reef Filter & DI Pack
from $58.95
Hurricane Filter Pack
from $57.95
Tsunami Pack
from $59.95
Neptune Filter Pack with DI
from $90.95
10" Sediment Filter
from $3.45
Catalytic Carbon Cartridge 10"
from $22.95
10" 5 Micron Carbon Block
from $13.95
10" 1 Micron Carbon Block
from $13.95
InLine Sediment Filters
from $9.95
InLine Carbon Filter
from $11.95
DI Resin Cartridge 10" Color Changing
from $24.95
InLine DI
from $24.95
3 Pack Filters
from $25.95
Chloramine Filter Pack
from $34.95

Pumps

RODI Booster pumps ( increase pressure ), Delivery Pumps ( to move water from one place to another ), Permeate pumps (non-electric, pressure boosting, drain water saving, enhanced water purifying device) & many fitting accessories to make your pump purchase in one fell swoop!
Booster Pump Power Station
$149.95
Permeate Pump Kit
from $61.95
Delivery Pump 1.4 GPM by Aquatec
from $149.95
Delivery Pump 4 GPM by Aquatec
from $399.95
Booster Pump Powerstation Transformer 36VDC/110VAC
$34.95
High Pressure Switch for Booster Pump
$19.95
Brass Control Valve
$12.95
40 Mesh Strainer for Aquatec Delivery Pump
$34.95
50 Mesh Strainer for 3/8 " Tubing
$24.95
50 Mesh Strainer for 1/2 " Tubing
$29.95
Aquatec 2A Transformer
$29.95
Aquatec High Pressure Switches
from $19.95
Aquatec 8800 Series Booster Pump
from $137.95

DI Resin / Deionization

Guaranteed Fresh Zero TDS. Shipped in HD mylar bags. Nuclear grade. From the same manufacturer production line serving US nuclear submarines.
DI Resin Cartridge 10" Color Changing
from $24.95
InLine DI
from $24.95
DI Resin Refillable Kit
from $56.95
DI Resin Mixed Bed Color Changing Bulk Media
from $49.95
DI Resin Mixed Bed Color Changing 1.25# Bag
$15.95
DI Resin MB Color Changing (1.125 cubic ft / 45 lbs)
$404.95
10" Refillable Cartridge - Clear
$7.95
In-Line DI Adder Kit
from $27.95
Vertical Color Changing DI Resin Adder Kit
from $47.95
Twin DI with Dual In-Line TDS Meter
from $129.95
Triple DI with Dual In-Line TDS Meter
from $149.95
Cation DI Resin Cartridge 10" Color Changing
$27.95
CATION DI Resin Color Changing Bulk Media
from $54.95
ANION DI Resin Cartridge 10" Color Changing
$27.95
ANION DI Resin Color Changing Bulk Media
from $54.95
20" Refillable Cartridge - Clear
$13.95
20" DI Cartridge Refillable
from $54.95
20" Twin DI with Dual In-Line TDS Meter
$279.95

Reverse Osmosis Membranes

The worlds highest rated 99%+ rejection rate ( RR ) membranes. RO membranes should be changed every 2-5 years or when ( RR ) is below 90%.
50 GPD Filmtec Membrane
from $37.95
75 GPD Filmtec Membrane
from $39.95
100 GPD Filmtec Membrane
from $41.95
150 GPD Axeon Membrane
from $43.95
Add A Membrane to Your System
from $29.95
Sold Out
Merlin Membranes & Filter Pack
$259.95 $209.95

Water Testing Equipment

TDS meters to test water quality, Pressure Gauges to check for clogged filters, Flowmeters to ensure timely filter changes.
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Flow Monitor ( FLM-3 hm digital ) with 1/4" stem elbow fittings
$59.95 $49.95
FlowMaster Flow Meter by Hydrologic
$59.95
Stainless Steel 150 PSI Gauge
$21.95
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TDS3 Meter w/ Carrying Case
$19.95 $14.95
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COM-100 EC / TDS / Temp Meter Combo
$74.95 $64.95
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PH-200 Waterproof PH Meter
$89.95 $64.95
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HM COM 100 & PH 200
$174.95 $129.95
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Senno Dual TDS Meter
$39.95 $34.95
HM Digital TRM-1: Triple Inline TDS Monitor
$39.95
HM Digital DM-1 Dual In-Line TDS Meter
$19.95
HM Digital DM-2: Commercial In-Line TDS Meter
$39.95
HM Digital DM-3: In-Line TDS Meter
$59.95
Sold Out
Filter Monitor with Volumizer
$49.95
Sold Out
TM-1 Digital Thermometer
$19.95
2" 150 PSI Gauge (back mount)
$9.95
2" 150 PSI Gauge (bracket mount)
$29.95
TDS Monitor / Alarm
$21.95
Sold Out
Senno TDS Mini Handheld Meter
$19.95

Special Offers

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TDS3 Meter w/ Carrying Case
$19.95 $14.95
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Evolution/Merlin Carbon Pre Filter 17" 5 Micron
$49.95 from $17.95
DI Resin Mixed Bed Color Changing Bulk Media
from $49.95
DI Resin Refillable Kit
from $56.95
Sale
Restructuring Pod +PH Boost Filter +Magnesium +Calcium
$249.95 $189.95
Sale
TYPHOON III EXTREME 150 GPD REEFKEEPER RODI
$344.95 from $310.95
Sale
Senno Dual TDS Meter
$39.95 $34.95
Sale
PH-200 Waterproof PH Meter
$89.95 $64.95
Sale
Mighty Mite RO System 50GPD
$119.95 from $99.95
Sale
HM COM 100 & PH 200
$174.95 $129.95
Sale
Fish Store Case
$209.75 from $199.95
Sale
COM-100 EC / TDS / Temp Meter Combo
$74.95 $64.95
CATION DI Resin Color Changing Bulk Media
from $54.95
ANION DI Resin Color Changing Bulk Media
from $54.95
20" Twin DI with Dual In-Line TDS Meter
$279.95
Sale
Flow Monitor ( FLM-3 hm digital ) with 1/4" stem elbow fittings
$59.95 $49.95

Drinking Water RO Tanks

NSF certified tanks for RO drinking water storage.
Add Drinking Water Kit
from $91.95
2.2 Gallon RO Pressure Tank - NSF
from $39.95
3.2 Gallon RO Pressure Tank - NSF
from $49.95
5.2 Gallon RO Pressure Tank - NSF
from $84.95
10.7 Gallon RO Pressure Tank - NSF
$199.95
20 Gallon RO Pressure Tank - NSF
$299.95
Tank Ball Valve Elbow
from $4.95
Accumulator Tank
$49.95
Saltwater Aquarium Anti TDS Storage Tank
$349.95
Stainless Steel 150 PSI Gauge
$21.95
Pentair Structural Tank 2.2 cu/ft
$299.95