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The EPA also sets National Secondary Drinking Water Regulations (NSDWR). Secondary drinking water standards are not Federally enforceable but serve as a guideline for the States to follow. At present, there are 15 NSDWR contaminants.

  • Aluminum
  • Chloride
  • Color
  • Copper
  • Corrosivity
  • Fluoride
  • Foaming agents
  • Iron
  • Manganese
  • Odor
  • pH
  • Silver
  • Sulfate
  • Total dissolved solids
  • Zinc

Secondary Contaminants

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Items 1-12 of 37

  1. WECO CALC-1054 Backwashing Filter with Calcite and Magnesia for pH Neutralization
    WECO CALC-1054 Backwashing Filter with Calcite and Magnesia for pH Neutralization
    SKU#:CALC-1054
    Rating:
    93%
    Price: $2,039.09
  2. WECO UXC-1252 High Efficiency Water Softener for Water Hardness Reduction
    WECO UXC-1252 High Efficiency Water Softener for Water Hardness Reduction
    SKU#:UXC-1252
    Rating:
    90%
  3. WECO ULE-1000 Semi Commercial Reverse Osmosis Hydroponic/Drinking Water Filter
    WECO ULE-1000 Semi Commercial Reverse Osmosis Hydroponic/Drinking Water Filter
    SKU#:ULE-1000
    Rating:
    93%
    Price: $990.24

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  1. WECO ULTRA-300 Whole House Reverse Osmosis Filtration System | Up To 4 Baths
    WECO ULTRA-300 Whole House Reverse Osmosis Filtration System | Up To 4 Baths
    SKU#:ULTRA-300
    Rating:
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    Price: $14,942.00
  2. WECO DIBRS-0918 Deionizing Resin Tank with LED Conductivity Monitor
    WECO DIBRS-0918 Deionizing Resin Tank with LED Conductivity Monitor
    SKU#:DIBRS-0918
    Rating:
    90%
  3. WECO Proportional pH Adjusting System with Integrated Mixer and Timer
    WECO Proportional pH Adjusting System with Integrated Mixer and Timer
    SKU#:PPH-35-FP30
    Rating:
    93%
  4. WECO Color Changing Deionizing Mixed Resin (DI) 4-1/2" x 10" Cartridge and Premium Housing Kit
    WECO Color Changing Deionizing Mixed Resin (DI) 4-1/2" x 10" Cartridge and Premium Housing Kit
    SKU#:FDI-1045
    Rating:
    100%
    Price: $140.10
  5. Calcite/Corosex 13x54 Upflow System for Neutralizing Acidic Water pH
    Calcite/Corosex 13x54 Upflow System for Neutralizing Acidic Water pH
    SKU#:CMUPX1354
    Rating:
    100%
    Price: $993.20
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