Showing 17–32 of 96 results
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$19.99 – $32.00Price range: $19.99 through $32.00
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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$186.50
- 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
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$339.00
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
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$119.00
A replacement probe for Bluelab Combo and pH Meters, and Guardian Monitors.
Replace only the pH probe, not the whole meter!
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$129.00
- 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.
Special Order
Too big to ship. For pick up only.
Call 604-294-3000 to order
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$3.96 – $6.96Price range: $3.96 through $6.96
- 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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$44.95
- Slide on CLONE DUNKER gently between stems of plants
- Attach clips of CLONE DUNKER to tray clone firmly
- Flip tray upside down with attached CLONE DUNKER
- Submerge clones to the base in a 50% diluted ipm solution
- Allow clones to fully 100% dry before placing back under lights
- Keep CLONE DUNKER on cubes to allow clone dome ventilation
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$45.60
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.
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$49.95
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.
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$19.49
Kills on contact, repels, and provides long lasting residual control
0.025% Liquid permethrin formula
No artificial perfumes, fragrances, or attars
Use indoors & outdoors
Use on home vegetable gardens and fruit trees
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Sale!
$53.38 $42.95
- Superior design and balance for ease of use
- High-grade injection molded plastic eliminates corrosion
- Plastic rose included
- With removable gentle rain head
- Made of recycled, non-toxic thermoplastic
- UV resistant
- Lightweight and durable
1 Left (Green)
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$27.95
This kit includes 2 fittings to allow chiller to be plumbed with 1 in hard PVC pipe or 1 in flexible tubing.
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$1,789.00
- Features a commercial-grade titanium heat exchanger
- Remote temperature controller with a 30 ft cord
- Auto restart and temperature memory
- 2 fittings to allow chiller to be plumbed with 1 in hard PVC pipe or 1 in flexible tubing.
Instructions for Commercial grade 1/2HP, 1 HP, 1.5 HP
Only a few of the 1/2 HP and 1 1/2 HP left. Product discontinued in Canada
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Sale!
$79.95 $69.95
- Harvester Flood table 2′ × 4′ Outside Dimensions
- Crack resistant with UV inhibitors
- Cross drainage every couple of inches
- 6″ – 6.5″ in height
Pick up Only
Can not be shipped
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$189.00
- Flood table 4×8
- Crack resistant with UV inhibitors
- Cross drainage every couple of inches
- 6″ – 6.5″ in height
Available through special order
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