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APS TechNotes See all articles

Water Purification Calculators


We offer these calculators to help you evaluate and operate water treatment systems properly. We will be adding more as they are completed.

  • Percent Rejection Calculator  - For determining Reverse Osmosis membrane health.

  • Calculate Water Softener Capacity - Enter tank size and hardness.

  • Water Softener Selection Calculator - Selects proper water softener sizing and gives specs.







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    Short Lead times.
    Lab Water Deionizer




    P2D2-M
    APS Polaris D2 Water System with Quality Meter

    Retail Price : US$2,966.00
    Todays Price : US$2,570.25



    P2D3-M
    APS Polaris D3 Water System with Quality Meter

    Retail Price : US$3,496.94
    Todays Price : US$2,830.20



    P2D1-M
    APS Polaris D1 Water System with Quality Meter

    Retail Price : US$2,118.94
    Todays Price : US$1,761.72
    PreviousNext
    APS Polaris D2 Water System with Quality Meter
    APS Polaris D2 Water System with Quality Meter

    This dual housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Comparable to Barnstead D4521

    Operating Manual

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions :  18" W X 28" H X 6" D

    US$2,570.25 Details
    APS Polaris D3 Water System with Quality Meter
    APS Polaris D3 Water System with Quality Meter

    This high capacity triple housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Operating Manual

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions : 23" W X 28" H X 6" D

    US$2,830.20 Details
    APS Polaris D1 Water System with Quality Meter
    APS Polaris D1 Water System with Quality Meter

    This compact single housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Comparable to Barnstead D4511

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions : 12" W X 28" H X 6" D

    Operating Manual

    US$1,761.72 Details
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    Best
    Lab Water System




    50132372
    Barnstead MicroPure UV/UF-ST

    Retail Price : US$7,820.00
    Todays Price : US$6,959.80



    50132373
    Barnstead MicroPure UV

    Retail Price : US$6,750.00
    Todays Price : US$5,737.50
    PreviousNext
    Barnstead MicroPure UV/UF-ST
    Barnstead MicroPure UV/UF-ST

    Barnstead MicroPure Laboratory Water Purification System - Provides Type I Ultrapure Water.

    Systems come with the filters. Does not require a permanent feed source. Portable. Just pour tap or treated water into the internal reservoir to produce ultrapure water. 

    Replacement filters

    This is the replacement for the popular EasyPure UV/UF RF systems.

    Operating Manual

    US$6,959.80 Details
    Barnstead MicroPure UV
    Barnstead MicroPure UV

    Barnstead MicroPure Laboratory Water Purification System - Provides Type I Ultrapure Water.

    Systems come with the filters.

    Replacement filters

    This is the replacement for the popular EasyPure UV LF systems.

    Operating Manual

    US$5,737.50 Details
    PreviousNext

    Top Sellers




    MB1801
    High Purity Mixed Bed Deionizer

    Retail Price : US$221.00
    Todays Price : US$144.39



    GSX28
    O-RING 4.190IDX.139 EPR 50

    Retail Price : US$13.11
    Todays Price : US$12.54



    D0809
    CARTRIDGE ULTRAPURE SPG

    Retail Price : US$214.00
    Todays Price : US$190.46



    Res Care-G
    Pro Res Care Cleaner Chemical Case of 4

    Retail Price : US$152.85
    Todays Price : US$113.22



    CF10D1
    Activated Carbon Filter

    Retail Price : US$25.65
    Todays Price : US$19.04



    SB1801
    High Capacity Dual Bed Cartridge Filter

    Retail Price : US$205.00
    Todays Price : US$138.52



    D50237
    Barnstead Easy Cool Filter - Upflow

    Retail Price : US$97.80
    Todays Price : US$90.95



    HC19H1-D
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II

    Retail Price : US$135.06
    Todays Price : US$100.25
    PreviousNext
    High Purity Mixed Bed Deionizer
    High Purity Mixed Bed Deionizer

    Removes ionic contamination from water.

    Comparable to Barnstead D0809 and D5027 Ultra Pure Mixed Bed Filter. vp-17-4010

    US$144.39 Details
    O-RING 4.190IDX.139 EPR 50
    O-RING 4.190IDX.139 EPR 50

    Factory Original - Use with E-pure, B-Pure and Nanopure Quad systems and housings only. 1/pk AKA GSX-28



    US$12.54 Details
    CARTRIDGE ULTRAPURE SPG
    CARTRIDGE ULTRAPURE SPG

    Barnstead Brand Filter
    Comparable to APS Ultra Brand MB1801 filter cartridge, D0808 and vp-17-4010

    US$190.46 Details
    Pro Res Care Cleaner Chemical Case of 4
    Pro Res Care Cleaner Chemical Case of 4

    Case - 4 ea 1 gallon bottles. Same as Res-Up
    Chemical Feeders
    Pro-Res-Care is the pro version Res-Up.
    This item can not be shipped by air freight.

    US$113.22 Details
    Activated Carbon Filter
    Activated Carbon Filter

    Code F, 2.5 inch X 10 inch. Coconut shell carbon block with 10 micron outer wrap. Special Prep 1, for Chlorine removal with low extractable applications - 1/pk
    Filter Housing

    US$19.04 Details
    High Capacity Dual Bed Cartridge Filter
    High Capacity Dual Bed Cartridge Filter

    Reduces dissolved inorganic contamination.

    Comparable to Barnstead D0803 and Harvey AY1273X4 High Capacity Filters.

    US$138.52 Details
    Barnstead Easy Cool Filter - Upflow
    Barnstead Easy Cool Filter - Upflow

    Easy Cool Deionizer Filter - Comparable to APS ULTRA Brand EF06U1

    US$90.95 Details
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II

    This High Capacity Mixed Bed Deionization Filter is used for the reduction of dissolved minerals. with Color Indicator - Comparable to IWT and US FILTER 3C0600002 and HC200 or HC-200

    US$100.25 Details
    PreviousNext

    Most Popular
    Fume Hoods




    100400000
    4' Protector Premier Laboratory Hood

    Retail Price : US$10,555.00
    Todays Price : US$9,499.50



    100400051
    4' Protector Premier Laboratory Hood

    Retail Price : US$14,760.00
    Todays Price : US$13,284.00



    100400060
    4' Protector Premier Laboratory Hood

    Retail Price : US$13,630.00
    Todays Price : US$12,267.00



    100400061
    4' Protector Premier Laboratory Hood

    Retail Price : US$14,760.00
    Todays Price : US$13,284.00
    PreviousNext
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product

    US$9,499.50 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower and 2 service fixtures

    US$13,284.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower

    US$12,267.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower and 2 service fixtures

    US$13,284.00 Details
    PreviousNext

    Glassware Washers




    4420420
    Freestanding FlaskScrubber Glassware Washer

    Retail Price : US$13,035.88
    Todays Price : US$11,080.50



    4420431
    Freestanding FlaskScrubber

    Retail Price : US$14,487.55
    Todays Price : US$12,314.42
    PreviousNext
    Freestanding FlaskScrubber Glassware Washer
    Freestanding FlaskScrubber Glassware Washer

    LabConco Brand Product

    US$11,080.50 Details
    Freestanding FlaskScrubber
    Freestanding FlaskScrubber

    LabConco Brand Product - with Viewing Window and Light

    US$12,314.42 Details
    PreviousNext

    Best New Product
    Lab Water Reverse Osmosis System

    Lab/Commercial
    Reverse Osmosis System
    Great for Lab Water Pretreatment
    or Great Drinking Water
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