“AUTOPILOT Dual Outlet Digital Timer” has been added to your cart.
View cart
Showing 17–32 of 123 results
-

$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
-

$278.01 USD
Aquamaster P700 Pro 2 Combo Meter
pH, EC, CF, PPM, Temp.
Available through special order
Please call 604-294-3000
-

$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.
-

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

$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
-

$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.
-

$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
-

$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
-

$80.03 USD
A replacement probe for Bluelab Combo and pH Meters, and Guardian Monitors.
Replace only the pH probe, not the whole meter!
-

$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
-

$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,…
-

$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…
-

$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
-

$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
-

$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.
-

$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.