Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

LOW PRICES and FAST SHIPPING SINCE 1999 !

99.5% Of All Items In Stock For Same Day Shipping!

3M 6-in-1 Water Test Kit -Simple to Use - DIY In Home Water Quality Test Kit

$15.75 Special Price $12.99
In stock
6 in 1 Home Water Test Kit by 3M. Use this 3M DIY water quality test for convenient on-site testing. The 3M DIY water quality test kit provides quick analysis.
6 in 1 Home Water Test Kit by 3M. Use this 3M DIY water quality test for simple and convenient on-site water testing. The 3M DIY Do It Yourself water quality test kit provides quick water analysis for the presence of the following water contaminants: chlorides, free chlorine, total chlorine, hardness, pH and alkalinity. No special water quality testing equipment is needed to use this DIY kit.
You may also be interested in the following product(s)

Related Categories

AllPure Water Filters ®

Amway Water Filters ®

Apec Water Filters ®

Aqua FX Water Filters ®

Aqua Soft Water Filters ®

Aqua Systems Water Filters ®

Arrowhead Puritap Water Filters ®

Atlantic Filter Replacement Water Filters ®

AvantaPure Water Filters ®

Avian Water Filters

BioMaster Water Filters ®

Clack Water Filters ®

Culligan RO Reverse Osmosis Water Filters ®

DuPure International Water Filters ®

Duro Reverse Osmosis Water Filters

Essential Water & Air Water Filters ®

ExtraPure RO-450 Water Filters ®

Flint & Walling Reverse Osmosis Water Filters

Flowmatic Water Filters ®

FSHS Water Filters ®

Genesis Water Filters ®

Global Water Water Filters ®

Great Tahoe Springs Water Filters ®

Hellenbrand Water Filters ®

Hydrotech Puritap Water Filters - Smartap

Innovative Medical Water Filters ®

Kemflo Reverse Osmosis Replacement Water Filters and RO Membranes

Kinetico Water Filters ®

Lindyspring Reverse Osmosis Water Filters ®

Marlo Water Filters ®

MULTI-PURE Water Filters ®

Niagara Water Filters ®

Nimbus Desalinator Reverse Osmosis Water Filters ®

NorthStar Water Filters ®

Nutripure Water Filters ®

Premier Water Filters

Proline Reverse Osmosis Water Filters ®

PURO Water Filters ®

Pure-Pro Water Filters ®

Pure-Tel Water Filters ®

Puritron Water Filters ®

PuroLine Water Filters ®

Rayne Water Filters

Steeltec RO335 Compatible Water Filters

Sears UltraFilter RO System Filters ® Kenmore

Ultrowater RO-35 ® Water Filters

ValueLine Water Filters ®

Vectapure Water Filters ®

Vertex Water Filters ®

WaterFiltersOnline.com RO Systems Water Filters ®

Water General Water Filters ®

Water Resources International Water Filters ®

Waterlink ROKIT Water Filters ®

Watts Water Filters ®

Ametek SY-5167 Kleen Plus, Culligan Filtration System

Ametek CCF-201 Chemical Contaminant Removal Water Filter System

Big Blue 10" x 4 1/2" Sediment Water Filters

Sears Kenmore 42-342011 Reverse Osmosis System

Sears Kenmore UltraFilter 34703 Reverse Osmosis Replacement Water Filters

Sears Kenmore 625.347001, UltraFilter 100 625.384700

GE GSWF Refrigerator Replacement Water Filter

GE MWF Refrigerator Water Filter - Replaces GWF, HWF, WR97X10006, MXRC, FXRT and FXRC

GE PNRV 12 & GXRV 10 Series SmartWater Reverse Osmosis Systems

GNUL30Z Lead/Cysts Reduction Drinking Water Filter System

GNUV10Z Chemical Reduction Drinking Water Filter System

GNUT05Z & 03A Taste and Odor Reduction Filter System

DuPure 1 Stage and 2 Stage Ultra Filter Systems -60

PJD ® 3000 3 Stage CTA System CTA Reverse Osmosis Membrane

PJD ® 4000 4 Stage TFC System TFC Reverse Osmosis Membrane with inline GAC Post Filter

PJD ® 5000 5 Stage TFC System TFC Reverse Osmosis Membrane with inline GAC Post Filter

Cullgan AC-15 Aqua Cleer Good Water Machine RO System

Culligan AC-30 Aqua Cleer Good Water Machine RO System

Culligan AC-50 Aqua Cleer Good Water Machine RO S

Culligan Water Tower ® CWT-35 Water Filters

Lancaster CRO-325 Reverse Osmosis System Compatible Replacement Water Filters & Reverse Osmosis RO Membrane

Lancaster CRO-350 Reverse Osmosis System Compatible Replacement Water Filters & Reverse Osmosis RO Membrane

Lancaster CRO-212 Reverse Osmosis System Replacement Water Filters & Reverse Osmosis RO Membrane

Lancaster CRO-312 Reverse Osmosis System Replacement Water Filters & Reverse Osmosis RO Membrane

RainSoft ® 9338 Reverse Osmosis System Water Filters

RainSoft ® 9590 & 9593 Reverse Osmosis System Water Filters

RainSoft ® 9591 Reverse Osmosis System Water Filters

RainSoft ® 9596 Reverse Osmosis System Water Filters

RainSoft ® 9598 Reverse Osmosis System Water Filters

RainSoft ® Ultrefiner UF10 RO System & 21173 Water Filters

RainSoft ® Ultrefiner UF22, UF22T, 21176 & UF50, UF50T & 21179, 21191 Water Filters

Lancaster 7-TFC-50 RO Reverse Osmosis System Replacement Water Filters & RO Membrane

Water Testing DIY at Home

Challenger Conqueror 3 Stage

Challenger Conqueror II and Gladiator II Water Filters

Coleman Only Water 500 WP30-1000 Water Filters

Coleman Only Water 525 WP30-2000 Water Filters

Dupage RO TS3C 10 Revers Osmosis Water Filters

DuPage RO TS3 24 Reverse Osmosis Replacement Water Filters

Dupage RO-TS4T-24 Reverse Osmosis Replacement Water Filters

GE GXRM10GBL RO Replacement Water Filters

Kinetico 516, 517, 517N, 518, 519, 520, 521, 524, 526, 527, 528, 529, 538, K30, 11249-T, KRO+GX, KRO+VX,TF, 5000, 5500 & 539 Compatible Replacement Water Filters

Kinetico 3 Stage CTA Compatible Replacement Water Filters

Kiss Aristocrat 5000 TFC Water Filters

Natures Way 4 Stage Reverse Osmosis Water Filters

Nimbus CS-2 Desalinator Reverse Osmosis Water Filters

Nimbus CS-3 Desalinator Reverse Osmosis Water Filters

Nimbus Standard 4 Stage Reverse Osmosis Water Filters

Paragon - P1000 RP Reverse Osmosis Filters

PureGen ERO-100P High Flow Reverse Osmosis

PureGen ERO-435 and RO4-35 Reverse Osmosis System

Puregen Ero 535 Water Filters

Reo-Pure EM Series Replacement Water Filters

Spring Soft Water Filters

TGI Win 445 Topway Global Water Filters

TGI-315 - 3 Stage CTA Reverse Osmosis Systems

TGI-315TFC - 3 Stage Reverse Osmosis Systems

TGI-325E - 3 Stage Reverse Osmosis Systems

TGI-415 - 4 Stage Reverse Osmosis System

TGI-525 & TGI-525P - 5 Stage Reverse Osmosis Systems

TGI-625U, TGI-625UP & TGI-625UP/DX - 6 Stage Reverse Osmosis Systems

3 Stage CTA Reverse Osmosis RO Drinking Water System Help

3 Stage TFC Reverse Osmosis RO Pure Drinking Water System Help

4 Stage TFC Reverse Osmosis RO Pure Water System Help

Pentair GRO-75EN Reverse Osmosis System Help

5 Stage TFC Reverse Osmosis RO Pure Drinking Water System Help

Delta Fresh US-1 Water Filters

Delta Fresh US-3 Reverse Osmosis 4 Stage Water Filters

Delta Fresh US-2 Reverse Osmosis 5 Stage Water Filters

FaucetMate FM DWS 1500 47-5574704 Water Factory

Water Factory SQC4 HF CUNO 3M Reverse Osmosis System

Water Factory SQC3 HF 3M CUNO 04-045 Reverse Osmosis System

Water Factory SQC2 HF 3M CUNO Reverse Osmosis System

Water Factory SQC-CTA CUNO 3M Reverse Osmosis System

Water Factory SQC4 PRO CUNO 3M Reverse Osmosis System

Water Factory N5000-TFC CUNO Reverse Osmosis System

Water Factory System 5000 Reverse Osmosis Water Filters

Water Factory N4500 4 Stage Reverse Osmosis System

Water Factory N4000 TFC 3 Stage Reverse Osmosis System

Water Factory 4000 CTA 3 Stage Reverse Osmosis System

Water Factory SQC30T HF Countertop RO

Water Factory SQC40T HF CUNO 3M Countertop Reverse Osmosis System

CoolerMate CMRO-3TFC Water Factory 3M CUNO

Water Factory Series 3000 3 Stage Reverse Osmosis System

3MRO301 Reverse Osmosis System, 3MROP310, 3MROP316 Replacement Filters, 3MROM413 RO Membrane

3MRO401 Reverse Osmosis System, Replacement Water Filters, RO Membrane and Maintenance Service Parts

3MRO501 Reverse Osmosis System, Replacement Water Filters, RO Membrane and Parts

3M O-rings, Filter Housing Wrenches, Water Filter System Parts and DIY Water Tests

3M SQC Series Sanitary Quick Change

Pentek RO-2300 Reverse Osmosis RO System

RO-2127 Pentek & American Plumber Reverse Osmosis RO System

SY-5197 Pentek, Kleen Plus, Culligan Filtration System

Pentek CCF-201 Chemical Contaminant Removal Water Filter System

Pentek Carbon 10BB Big Blue Water Filters

SY-5167 Pentek, Kleen Plus, Culligan Filtration System

Microline Water Filters ®

Petwa Water Filters ®

Novatek Replacement Water Filters ®

Eagle Spring Water Filters ®

Lancaster LRO-35 Replacement Water Filters ®

Nature's Way Backpack Water Filters ®

Rayne Eradicator Water Filters

Raine "Q" Series Water Filters ®

RO/Conn "Q" Series Water Filters ®

GE Pro Elite RO-450

EcoWater ERO-350, ERO-450 Water Filters & Reverse Osmosis Membrane

MCS 4000 TCR 5 Stage Reverse Osmosis Water Filters

MCS Water Systems 4 Stage Reverse Osmosis Water Filters

PuroTwist PT4000 Water Filters

MCS Super Twist Reverse Osmosis Water Filters

PuroTwist PT3000 Water Filters

Rotek RCT-103 Water Filters ®

Rotek RTF-265 Water Filters

Aquacheck RO-25TFC Water Filters ®

Aquacheck RO-15TFC Water Filters ®

Aquacheck RO-36TFC Water Filters ®

Aquacheck RO-45TFC Water Filters ®

Aquacheck RO-10B Water Filters ®

Aquacheck RO-20B Water Filters ®

Aquacheck 5 Stage RO Water Filters ®

Water-Safe RO-25TFC Water Filters ®

Water-Safe RO-15TFC Water Filters ®

Water-Safe RO-36TFC Water Filters ®

Water-Safe RO-45TFC Water Filters ®

Water-Safe RO-10B Water Filters ®

Water-Safe RO-20B Water Filters ®

Water-Safe 5 Stage RO Water Filters ®

Water Factory SQC2 HF 3M Water Filters

Water Factory SQC-CTA 3M Water Filters

Water Factory SQC30T HF Countertop RO

Water Factory SQC40T HF CUNO 3M Countertop Reverse Osmosis System

5 Stage WaterFiltersOnline.com RO Systems Water Filters

4 Stage WaterFiltersOnline.com RO Systems Water Filters

5 Stage With Pump WaterFiltersOnline.com RO Systems Water Filters

US Filter BFS-301 Under Counter Drinking Water Filtration System

US Filter BFS-201 Under Counter Drinking Water Filter System

Dervich 4 Stage 75 GPD Replacement Water Filters

Dervich 5 Stage RO Water Filters

AquaDepot AD-TFC-50-4 Reverse Osmosis 4 stage Replacement Water Filters

Aquadepot AD-TFC-50-5 Reverse Osmosis Replacement Water Filters

GoldLine 50 Water Filters

Hydrotech 4VTFC75G #1240203 & 4VTFC75G-PB # 1240303 RO Reverse Osmosis System

Hydrotech 4VTFC50G #1240102, #1240202 & 4VTFC50G-PB #1240302 Reverse Osmosis System RO

Hydrotech 4VTFC25G #1240101, #1240201 & 4VTFC25G-PB #1240301 Puritap Reverse Osmosis System RO

Hydrotech 3VTFC25G #1240101, 3VTFC50G #1240102 and 12301 RO Water Filters

Crane Environmental RO-450 Water Filters

CRANE ENVIRONMENTAL RO-550 5 Stage Reverse Osmosis Water Filters

APEC Essence ROES-50 Water Filters

Aqua-Lux 4 Stage Standard Reverse Osmosis

Aqua-Lux Quick Change 4 Stage Reverse Osmosis

DuPure Pure Blue 3 Stage RO Reverse Osmosis System

Water Doctors PRO-4000 4 Stage RO Reverse Osmosis System

Water Doctors SMP-3000 5 Stage RO Reverse Osmosis System

Water Doctors PRO-2000 Under Sink Water Filter System

Nugen RO-5-50 5 Stage Reverse Osmosis Replacement Water Filters

Nugen RO-3-25 3 Stage TFC-24 Reverse Osmosis RO Pure Drinking Water System Help

Microline TFC-435 Replacement Water Filters

GE Merlin Replacement Water Filters

Aqua Flo 1240 Replacement Water Filters

Water-Right Eclipse WRO-35 Reverse Osmosis System

Countertop RO Reverse Osmosis

Stainless Steel RO Reverse Osmosis System

Hydrotech Aquafier Multi-Stage HT104 Series Carbon Drinking Water System Replacement Water Filters

Hydrotech 4VTFC15G & 4VTFC15G-PB Reverse Osmosis System RO

Hydrotech 4VTFC35G & 4VTFC45G RO Reverse Osmosis System

Pentair GRO-50EN Reverse Osmosis System Help

Pentair GRO-36EN Reverse Osmosis System Help

Water-Right ® CRO-25D, TFC-15D, TFC-25D Impression Series Water Filters

Challenger Conqueror III 5 Stage Reverse Osmosis Water Filters

WaterCare UltroWater RO-35 ® Water Filters

Atlantic Filter HERO II Water Filters ®

TGI EZ-450 Series Water Filters

TGI-GTS-550 & TGI-GTS-550P - 5 Stage Reverse Osmosis Systems

PuroTwist PT2000 Water Filters

Reo-Pure 3 Stage EC Series Replacement Water Filters

Reo-Pure Reo-10, REO-15, REO-20 and REO-30 Replacement Water Filters ®

Reo-Pure 4 Stage EC Series Replacement Water Filters

Reo-Pure 5 Stage EC Series Replacement Water Filters

DuPage Dyna Pro Reverse Osmosis Water Filters ®

Ultima VII 5 Stage Reverse Osmosis Replacement Water Filters

Ultima VI 4 Stage Reverse Osmosis Replacement Water Filters

Ultima V 3 Stage Reverse Osmosis Replacement Water Filters

Ultima Heavy Residential - Commercial 5 Stage Reverse Osmosis Replacement Water Filters

Ebtech Reverse Osmosis System Water Filters

Oasis Reverse Osmosis System Water Filters

Pentek 20BB Carbon Water Filters

Kinetico K2, K5, WM3, GX, VX, DWS Plus Deluxe, 7000 series or 9306, 9309, 9310 or any of the self contained disposable sealed filter bodies)

5" Replacement Water Filters

Pentek Sediment 10BB Big Blue Water Filters

Pentek RO-2550 4 Stage TFC Reverse Osmosis RO Pure Water System Help

Rayne - Microline Water Filters ®

Ultima 7000 6 Stage Reverse Osmosis Replacement Water Filters

Hydro Guard Reverse Osmosis System Water Filters

Whirlpool WHER 12 & WHER 18 RO System Filters ® Kenmore

Nimbus CS-1 Desalinator Reverse Osmosis Water Filters

EcoWater ERO-200 and ERO-300 Water Filters

EcoWater ERO-292, ERO-392, ERO-494 Water Filters

EcoWater ERO-335, ERO-375 Replacement Water Filters ®

EcoWater ERO B524 and ECO 550 Water Filters ®

EcoWater ERO-435 Reverse Osmosis Water Filters ®