Bluelab Commercial Truncheon Meter
SKU: 99608577550

Bluelab Commercial Truncheon Meter

Sale price$76.50 Regular price$85.00
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Bluelab Commercial Truncheon MeterConductivity meter for large systems Large plants require a large Truncheon! With a conductivity range of up to 6. 0 EC (60 CF, 3000 ppm 500 and 4200 ppm 700), it will never leave you short. Bluelab Commercial Truncheon is the essential tool, when growing in hydroponics, to know the level of fertilizers in the nutrient solution. If the conductivity reading is too low, your plants may not be getting enough nutrients. If the conductivity reading is too

Conductivity meter for large systems

 

Large plants require a large Truncheon! With a conductivity range of up to 6.0 EC (60 CF, 3000 ppm 500 and 4200 ppm 700), it will never leave you short.

Bluelab Commercial Truncheon is the essential tool, when growing in hydroponics, to know the level of fertilizers in the nutrient solution. If the conductivity reading is too low, your plants may not be getting enough nutrients. If the conductivity reading is too high, plants can become dehydrated. Using the Bluelab Truncheon nutrient meter is the easiest and fastest way to measure conductivity!

To get a solution reading, simply place the probe in the solution and the reading is indicated by flashing lights. Calibration of the Truncheon nutrient meter is not required. Discover also the complete list of all conductivity meters for sale on Hydroponics!

Technical features:

  • Completely waterproof
  • Auto on / off
  • No calibration required
  • Daylight readable blue LEDs
  • Battery operated - 3 AA batteries included
  • No buttons, switches or knobs
  • Supplied with EC, CF, ppm 700 and ppm 500 scales

Specifications

Manufacturer Bluelab
Manufacturer Bluelab

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99608577550

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4.1 ★★★★★
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Katie
Boise, US
★★★★★ 5
Great toddler backpack!
Size: Small, Color: All Black
My daughter is in prek 3 and loves this backpack. Nice and small for her to carry. A full folder will fit with a little force, but if you’re looking for something to actually carry folders and books, maybe not the best.
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Reviewed in the United States on February 28, 2026
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Mick
Waukegan, US
★★★★★ 5
“Tiny Backpack, Big Personality!”
This little backpack is doing big kid things — and my toddler knows it. The second we strapped it on, he marched around like he was off to close a business deal with juice boxes in both hands. It’s the perfect size for tiny shoulders, and the chest buckle? GENIUS. No more slippy straps or bag-flinging tantrums. It stays put like a champ, even during epic playground sprints and spontaneous dance moves in the grocery store. The material is sturdy, the zippers glide like butter, and the reflective strip makes my toddler look like he’s ready for a baby night shift. The color combo is sleek — black and grey with just the right touch of “cool kid on campus” energy. Plenty of space for snacks, sippy cups, a favorite toy, and 14 mysterious pebbles he insisted on collecting “for science.” If your 2-4-year-old wants to carry their own stuff and look proud doing it — this is the backpack for them. Highly recommend (and yes, I already ordered another one for backup... because toddlers). 🎒
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Reviewed in the United States on June 26, 2025
P
Verified Purchase
priscilla
Belleville, US
★★★★★ 5
Good! Recommend
Size: Small, Color: Pink Dino
My 2 year old loves this backpack. I love the snap in the front for additional support of the distribution of weight. It has a good size cup holders and the inside of the bag is very spacious.
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Reviewed in the United States on December 11, 2025
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vkb
Cuba, US
★★★★★ 5
A good buy especially for young kids
Our community is providing school supplies this year for an elementary school that we adopted. Backpacks are in big demand but, as you know if you’ve been shopping, pretty pricey. This backpack was a Prime-day find so I bought a couple of them but, even back to the regular price, it’s a good deal especially for very young kids. In person the backpack is cute and stylish with the vibrant range of colors you see in the product pictures. I bought the large backpack which, as you can see in the photo, is more than tall enough for a standard manila folder. The stitching seems sound and the straps work as you would expect; it also has two side pockets. If I had to pick a weak spot, I’d say it’s the zipper, especially the one on the front pouch. It’s not a problem at the moment but it’s nylon, not metal, and so I don’t expect it to last forever. But if it gets through one school year, I consider that good. I think it’s a pretty good buy if you’re on a budget.
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Reviewed in the United States on July 14, 2025
S
Verified Purchase
Solomon’s Mom
Houston, US
★★★★★ 4
Backpack Backpack
Size: Small, Color: Pink Dino
Cute, definitely a perfect size for my tall 3 yr old. (3’7”) I did have to let it air out though. Has a weird smell.
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Reviewed in the United States on March 31, 2026

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