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    73 Products
    Stealth RO

    Stealth RO

    Use the Stealth RO Replacement membrane when your flow rate decreases or your PPM increases. The Stealth RO membrane will remove 98%+ of PPM of Total Disolved Solids.

    In stock
    $ 128.00
    Stealth R0 green

    Stealth R0 green

    Use the Stealth RO Replacement membrane when your flow rate decreases or your PPM increases. The Stealth RO membrane will remove 98%+ of PPM of Total Disolved Solids.

    In stock
    $ 26.99
    Stealth RO red

    Stealth RO red

    Standard 10" x 4.5" sediment pre-filter included with the Evolution system. Pleated and cleanable.

    Reduces silt, rust, dirt, sand, and sediment. To clean, rinse and hose on a regular basis and make sure to change every 6-12 months of use.

    Out of stock
    $ 33.95
    Bluelab 2.77EC Conductivity solution

    Bluelab 2.77EC Conductivity solution

    250 ml of 2.77 EC Conductivity Solution.

    Out of stock
    $ 10.00
    Hanna Groline ph/ec/tds combo HI98130

    Hanna Groline ph/ec/tds combo HI98130

    The HI 98130 waterproof floating tester displays pH, high-range conductivity (EC) and total dissolved solids (TDS) with Automatic Temperature Compensation (ATC) on a dual-level LCD display for hydroponics, agricultural, and water quality testing

    Out of stock
    $ 186.00
    Hanna Groline protective “boot”

    Hanna Groline protective “boot”

    HI710030 is an green rubber boot that fits over selected portable meters including HI9814 pH/EC/TDS, HI991000 family of meters, and selected thermistor based thermometers. The silicone rubber boot not only provides additional shockproof protection

    In stock
    $ 37.95
    Hanna Groline 1413 solution 230ml

    Hanna Groline 1413 solution 230ml

    conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight

    Out of stock
    $ 17.95
    Clonex 15ml gel packets

    Clonex 15ml gel packets

    Foremost rooting compound gel in its field since 1989; Full spectrum of mineral nutrients and trace elements to nourish the young roots during the formative stages; Remains in contact around the stem sealing the cut tissue; Supplies hormones needed for ro

    In stock
    $ 7.00
    Hanna Groline quick cal solution 20ml

    Hanna Groline quick cal solution 20ml

    HI50036P is a quick calibration solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and/or conductivity sensors. Each sachet has the lot numbe

    In stock
    $ 1.56
    Hanna Groline storage solution 20ml

    Hanna Groline storage solution 20ml

    HI70061G is a high quality cleaning solution designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing

    In stock
    $ 1.99
    Hanna Groline soil ec tester

    Hanna Groline soil ec tester

    The HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conduct

    In stock
    $ 143.00
    Hanna Groline ph tester

    Hanna Groline ph tester

    The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very lar

    In stock
    $ 99.00
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