Showing 17–32 of 123 results

  • Aquamaster P50 Pro pH Pen

    Aquamaster P50 Pro pH Pen

    $77.40 USD

    Aquamaster P50 Pro pH Pen

    • digital hand-held meter to measure pH and temperature of a variety of liquids
    • high-quality and user-friendly meter is extremely accurate and fits perfectly in your hand
    • 2-point auto calibration feature which makes it easy to calibrate
    • the meter is IP67 waterproof and can even float
    • P50 Pro comes with batteries
    • has a replaceable electrode to extend the lifetime of the pen meter
  • Aquamaster P700 Pro 2 Combo meter

    Aquamaster P700 Pro 2 Combo meter

    $278.01 USD

    Aquamaster P700 Pro 2 Combo Meter
    pH, EC, CF, PPM, Temp.

    Available through special order
    Please call 604-294-3000

  • Athena Pro Balance

    Athena Pro Balance

    $19.36$89.06 USD
    Athena Pro Balance is a powered water-soluble pH up for the professional cultivator.
     Pro Balance concentrate may be mixed at a rate of 0.25 – 1 lb. per gallon.
    Adjust the mix rate and injection rate depending on the amount of pH adjustment required.

     

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  • autopilot dual outlet digital timer

    AUTOPILOT Dual Outlet Digital Timer

    $17.58 USD
    • 1 second on/off
    • Up to 8 on/off cycles per day
    • Controls two outlets simultaneously
    • 15A/1725W UL-listed

     

  • Azomite Micronized

    Azomite

    $12.39$48.40 USD
    • Re-mineralizes soil for optimum growth
    • Virtually odorless
    • Improves root systems, yields and quality
    • Natural occurring mineral deposit
    • For all soil types
    • Greenhouse potting soil and fertilizer
    • Home gardens
    • Potted plants

    This product is OMRI-Listed for use in organic production

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  • Bluelab KCL Storage Solution

    Bluelab KCL Storage Solution

    $15.48$24.78 USD
    Our Bluelab KCL Storage Solution is designed specifically for use with pH Pens or pH Probes. 
    Storage solution is used to ensure a pH probe is kept in ideal conditions while  not in use.
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  • Bluelab Leap pH Probe

    Bluelab Leap pH Probe

    $131.64 USD
    • Robust toughened-glass, spear-tip for direct root zone measurement
    • Easy to clean
    • Gel filled (non-refillable), low maintenance
    • Double junction probe
    • Waterproof cable joint
    • Quality BNC connection
    • Dibber included for piloting hole into tough mediums
    • 2 meter / 6.56 foot standard cable
  • Bluelab Multimedia pH Meter

    Bluelab Multimedia pH Meter

    $262.52 USD

    Features:

    • Test more with a faster sensor response and direct measurements from substrates
    • Multimedia friendly, for measurements
    • across a range of environments
    • Toughened spear tip for direct root-zone
    • Simple two point calibration process with  30 day calibration indicator
    • Backlit LCD display, low battery indicator, auto off function
    • 2 x AAA alkaline batteries included
  • bluelab ph probe

    Bluelab pH Probe

    $80.03 USD

    A replacement probe for Bluelab Combo and pH Meters, and Guardian Monitors.

    Replace only the pH probe, not the whole meter!

  • botanicare rack tray

    Botanicare Rack Tray

    $86.73 USD
    • Specially designed to sit flat on shelving with a trough that hangs slightly over the edge.
    • The trough collects runoff then directs it towards the bulkhead recess to reduce standing water.
    • The 45.5” length allows trays to fit snugly inside the wire shelving units (This length allows four 10” x 20” prop flats to fit across each shelf).
    • The 2×4 Rack Tray is perfect for large scale micro green or commercial propagators looking to maximize production.

    Size of product will effect shipping cost.
    When ordering multiples Please call us if shipping seems unreasonable
    604-294-3000

  • canna substra flores

    CANNA Substra Flores A & B Sets

    $24.78$75.89 USD

    CANNA Substra Flores A direct availability and a correct composition of nutrients play a crucial role during the plant’s blooming phase. CANNA SUBSTRA Flores stimulates the fructification and contains all the nutrients that the plant needs during this phase. Advantages of CANNA Substra Flores During the blooming phase considerable less nitrogen is needed for example,…

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  • canna substra vega

    CANNA Substra Vega A & B Sets

    $24.78$75.89 USD

    CANNA Substra Vega CANNA Substra Vega is a complete professional nutrient for the growing phase of plants. It is specially developed for growing in run-to-waste systems. In the beginning of the growing phase, the plant lays the foundation for its eventual yield. Advantages of  Substra Vega Characteristics of a healthy and powerful growth are vital…

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  • Catchy YellowJacket & Wasp Trap

    Catchy YellowJacket & Wasp Trap

    $3.07$5.39 USD
    • Non-toxic and effective
    • Contains no pesticides
    • Safe around children and pets
    • Easy to use
    • Trap will not catch beneficial insects

    A Favorite with the staff here at Jons

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  • ChitoSal

    ChitoSal

    $29.04$278.01 USD
    ChitoSal uses two powerful plant effectors in order to trigger a cascade response which leads to several beneficial changes.
    Use only once every 2 weeks

    250 ml Bottle does    100 Liters
    500 ml Bottle does    200 Liters
    1 Liter  Bottle does    400 Liters
    4 Liter  Bottle does   1600 Liters

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  • doktor doom 3 in 1 plant rescue

    Doktor Doom 3-in1 Crop and Plant Rescue

    $35.31 USD

    1 Liter Concentrate

    Doktor Doom Formula 420 3 in 1 Crop & Plant Rescue Concentrate 1 Liter-kills spider mites & their eggs, kills aphids, suppresses powdery mildew, ideal for use up to day of harvest.
    Made with 100% Organic non-gmo Canola Oil and organic surfactants.
    Great Value 1 Liter makes 50 liters.

  • Doktor Doom Formula 420 Flower Power

    Doktor Doom Formula 420 Flower Power

    $38.68 USD

    1 Liter Concentrate

    Fantastic Spider Mite & Thrip Killer-kills adults and eggs. Use indoors-outdoors, in greenhouses on house plants and edible plants.

    Great value 1 Liter Concentrate makes 50 liters.