Hm Digital

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    …fittings Handles up to 5 GPM Low battery alert Fail-safe low power auto-off High frequency alarm Mesh pre-filter The Leak Block Sensor from HM Digital includes an electronic sensing pad and a latching solenoid valve that will close if the sensing pad ever comes in contact with water. They can…

    $47.70 Regular Price: $53.00

    …4 stage Value RODI system (and most other RODI systems) to a BRS 4 Stage Value Plus RODI system. Kit Contains: Dual Inline TDS Meter DM-1 - HM Digital Glycerin Filled Pressure Gauge 1-100 PSI 800 mL Flow Membrane Flush Valve Glycerin Filled Pressure Gauge 1-100 PSI Sufficient PSI is very important…

    $59.99 Regular Price: $
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    …casing Digital Calibration Backlit Display XL LCD Display Waterproof Cables Secure Mounting Bracket Perfect for residential, designed for commercial/industrial Electrical Conductivity readings in water are a great way to measure the purity, or the concentration of a solution. The HM Digital DM-2EC…

    $59.95 Regular Price: $

    …electrical conductivity, total dissolved solids, and temperature with the HM Digital COM-100 Waterproof Meter. Automatic Temperature Compensation (ATC) IP-67 Waterproof Housing Large LCD Screen Auto-Off Low-Battery Indicator Digital Calibration Factory Calibration Conductivity Meters are ideal for…

    $76.95 Regular Price: $

    …Specifications: Five independent timers Monitors up to 5 stages Timer counts down in month or days Volumizer counts up in gallons or liters Digital display Easy installation Features: A five-stage filter monitor with five independent timers. The volumizer counts up in gallons or liters (settings…

    $39.99 Regular Price: $

    …water quality and then how your DI is performing by removing all remaining TDS from the final product water. The DM-1 Dual Inline TDS Meter from HM Digital is one of the most important reverse osmosis accessories. This tool monitors the TDS of your reverse osmosis system in two places and lets you…

    $29.99 Regular Price: $

    …post DI stage. These three readings will notify you when it's time to change the RO membrane and DI resin. The TRM-1 Triple Inline TDS Meter from HM Digital is one of the most essential reverse osmosis accessories. This tool uses electrode probes to monitor the TDS of your reverse osmosis system in…

    $44.99 Regular Price: $

    Quickly and accurately get a digital readout of the salinity and temperature of your aquarium water. Seawater contains a variety of elements that will contribute to the overall specific gravity of the water. Many digital salinity meters are calibrated to read a sodium chloride only or brine solution…

    $69.99 Regular Price: $

    Dual deionization add-on canister kit complete with HM Digital Dual Inline TDS Meter! Just choose your favorite DI resin to put inside. We suggest using our Pro Series Anion and Pro Series Mixed Bed Cation resins for the ultimate Phosphate, Silica, and Carbon Dioxide elimination system! Add it to…

    $79.99 Regular Price: $

    The DM-2 Commercial Dual Inline TDS Meter from HM Digital has a stronger water resistant casing than the DM-1. This tool monitors the TDS of your reverse osmosis system in two places and lets you know exactly how the system is performing. DM-2 features include: Especially designed for…

    $45.99 Regular Price: $

    The TDS-3 Handheld TDS Meter from HM Digital is a useful tool to spot check the TDS of your home water supply or RO/DI unit output. This unit features a digital display, built in thermometer, and comes with a carrying case. As with all HM-Digital products, the TDS-3 comes factory calibrated.

    $24.99 Regular Price: $

    …three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap Waterproof housing (IP-67 rating) Simultaneous temperature display Measurement Range: 0-14 pH Digital automatic calibration (one point), with digital fine tuning Auto-off function,…

    $79.99 Regular Price: $

    …within minutes with the easy to use Mur-lok push-connect fittings that allow you to make leak-free connections. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter- Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $369.99 Regular Price: $
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    …SM-1 Single Inline TDS Meter from HM Digital measures the TDS of a single water line. This is a great tool to monitor the TDS of your reverse osmosis system. Common monitoring locations include pre-system, post membrane or post DI stage. This unit features a digital display and comes with a 1/4" GA…

    $24.99 Regular Price: $

    …10 Ft Each of 1/4" Blue, Red and Black Tubing Pre-installed NSF Certified Filters Limited Life Time Warranty PLUS RO/DI System Included Upgrades HM Digital Inline Triple TDS Meter Glycerin Filled Pressure Gauge Membrane Flush Valve 7 Stages of Filtration Stage 1 -GE ROSave.Z 1 Micron Depth Sediment…

    $424.99 Regular Price: $
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    …4 stage Value RODI system (and most other RODI systems) to a BRS 4 Stage Value Plus RODI system. Kit Contains: Dual Inline TDS Meter DM-1 - HM Digital Glycerin Filled Pressure Gauge 1-100 PSI 550 mL Flow Membrane Flush Valve Glycerin Filled Pressure Gauge 1-100 PSI Sufficient PSI is very important…

    $59.99 Regular Price: $
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    NaCl calibration solution, available in 342 ppm. Comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.

    $7.99 Regular Price: $

    …Includes 5 Feet of RO Tubing ¼" Push Connect Fittings Add deionization stages to your current RO system or upgrade your RO/DI system. The HM Digital DM-1 Dual TDS Meter lets you see the quality of water you are producing at multiple points throughout the DI Stages. All of our RO and DI…

    $104.99 Regular Price: $

    …Includes 5 Feet of RO Tubing ¼" Push Connect Fittings Add deionization stages to your current RO system or upgrade your RO/DI system. The HM Digital DM-1 Dual TDS Meter lets you see the quality of water you are producing at multiple points throughout the DI Stages. All of our RO and DI…

    $69.99 Regular Price: $

    Perfect for reefers that use a lot of DI resin! Triple Deionization Saver canister kit complete with HM Digital Triple Inline TDS Meter! Just add DI resin. We suggest using BRS Pro Series Single Bed Cation Resin, Pro SeriesSingle Bed Anion Resin, and Pro Series Mixed Bed Cation Color Changing…

    $104.99 Regular Price: $

    Includes BRS PRO DI Resins! Triple Deionization Saver canister kit complete with HM Digital Triple Inline TDS Meter & BRS Pro Series Single Bed Cation Resin, Pro SeriesSingle Bed Anion Resin, and Pro Series Mixed Bed Cation Color Changing Resins. This is the perfect add-on to any reverse osmosis…

    $135.99 Regular Price: $
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    …10 Ft Each of 1/4" Blue, Red and Black Tubing Pre-installed NSF Certified Filters Limited Life Time Warranty PLUS RO/DI System Included Upgrades HM Digital Inline Triple TDS Meter Glycerin Filled Pressure Gauge Membrane Flush Valve 7 Stages of Filtration Stage 1 -GE ROSave.Z 1 Micron Depth Sediment…

    $374.99 Regular Price: $
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    …10 Ft Each of 1/4" Blue, Red and Black Tubing Pre-installed NSF Certified Filters Limited Life Time Warranty PLUS RO/DI System Included Upgrades HM Digital Inline Triple TDS Meter Glycerin Filled Pressure Gauge Membrane Flush Valve 7 Stages of Filtration Stage 1 -GE ROSave.Z 1 Micron Depth Sediment…

    $389.99 Regular Price: $
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    …10 Ft Each of 1/4" Blue, Red and Black Tubing Pre-installed NSF Certified Filters Limited Life Time Warranty PLUS RO/DI System Included Upgrades HM Digital Inline Triple TDS Meter Glycerin Filled Pressure Gauge Membrane Flush Valve 7 Stages of Filtration Stage 1 -GE ROSave.Z 1 Micron Depth Sediment…

    $469.99 Regular Price: $
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    …or you are connected to city water we offer a variety of RO/DI systems that will fit your aquarium's needs. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter - Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $329.99 Regular Price: $
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    …or you are connected to city water we offer a variety of RO/DI systems that will fit your aquarium's needs. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter - Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $349.99 Regular Price: $
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    …or you are connected to city water we offer a variety of RO/DI systems that will fit your aquarium's needs. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter - Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $384.99 Regular Price: $
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    …or you are connected to city water we offer a variety of RO/DI systems that will fit your aquarium's needs. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter - Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $419.99 Regular Price: $
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    …within minutes with the easy to use Mur-lok push-connect fittings that allow you to make leak-free connections. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter- Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $279.99 Regular Price: $
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    …within minutes with the easy to use Mur-lok push-connect fittings that allow you to make leak-free connections. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter- Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $299.99 Regular Price: $
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    …within minutes with the easy to use Mur-lok push-connect fittings that allow you to make leak-free connections. PLUS RO/DI System Included Upgrades HM Digital Inline Dual TDS Meter- Instantly know the purity of your water, before and after the deionization stage. The inline probes come pre-installed…

    $339.99 Regular Price: $
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