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Bluelab Guardian Monitor pH Temp EC Conductivity Meter Hydroponic Blue Lab - Picture 1 of 1
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Bluelab Guardian Monitor pH Temp EC Conductivity Meter Hydroponic Blue Lab

The Hydroponic Store
  • (73099)
US $349.99
No Interest if paid in full in 6 mo on $99+ with PayPal Credit*
Condition:
New
3 available / 369 sold
Breathe easy. Free shipping and returns.
This one's trending. 369 have already sold.
Shipping:
Free Economy Shipping. See detailsfor shipping
Located in: El Monte, California, United States
Delivery:
Estimated between Mon, May 6 and Wed, May 8 to 43230
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days returns. Seller pays for return shipping. See details- for more information about returns
Payments:
      
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eBay item number:251246229574
Last updated on Sep 17, 2022 16:58:10 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
MPN
BLU27100
Brand
Bluelab
UPC
9421024920081

Item description from the seller

The Hydroponic Store

The Hydroponic Store

99.6% positive feedback
301K items sold
Visit storeContact
Joined Jan 2013

Detailed seller ratings

Average for the last 12 months

Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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Air PurificationEnvironmental ControllersGrow MediaGrow TentsGrowing AccessoriesIrrigationLeaf Washes/SprayLightingNutrients & Supplements

Seller feedback (86,731)

c***1 (32)- Feedback left by buyer.
Past year
Verified purchase
it is a 1qt size bottle of general hydroponics bloom. it is as seller describes and it is priced right at time of my order. idk what the price is at the time you read this, so yeah... anyways... ordered on sept 1st. arrived via USPS on sept 5th. it arrived in a USPS prepaid "cardboard" envelope. no padding. no protection. luckily, USPS did a good job handling it and even though one side of the envelope was busted open, the bottle itself was completely undamaged. that is why i gave 4 stars.
-***a (101)- Feedback left by buyer.
Past 6 months
Verified purchase
Amazing seller! Quick response to order, fast, fast shipping. Bubbled wrapped and sealed well to ship. Great job guys! Will always buy from this vendor.
t***c (481)- Feedback left by buyer.
Past 6 months
Verified purchase
As described. Fast shipping. Great packaging. A+++ Seller. Used over and over again!
See all feedback

Product ratings and reviews

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Write a review
4.8
23 product ratings
  • 22 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 16 reviews
  • by hermomunster
    Jun 30, 2017Top favorable review

    You have to trust it!

    I have tried the meters you get at the big box stores (soil probes) and they are so far off you just can't compare to the Bluelab Soil pH Probe. But if you don't have the meter it's a big expense! I can't do Hydro because the water gets too hot so I opt for soil and starting out with the right PH is my best shot at a good grow. If you have the meter it's a great asset.

    Verified purchase: YesCondition: NewSold by: autosupplychain307

  • by bryfczynski13
    Mar 19, 2019

    Blue lab

    I’ve had a few PH pens in my short time of growing and i always wondering if the pen is right and since my purchase I’ve had no problems. Easy calibration, constant reading. Just all around great product

    Verified purchase: YesCondition: NewSold by: wholesalehydroponicssupplies

  • by constell-56
    Mar 01, 2024

    Great

    Great product gf horticulture has good products and great shipping

    Verified purchase: YesCondition: NewSold by: gf_agriculture

  • by fzGXvHfGQHS@Deleted
    May 24, 2016

    Hydro must have

    Best constant immersion probe on the market for the money. Reminds/makes you calibrate every 30 days. Only the ph aspect, the ppm is factory calibrated.

    Verified purchase: YesCondition: NewSold by: thshydro

  • by greyone5280
    Mar 29, 2018

    monitor

    great deal will be buying more easy set up

    Verified purchase: YesCondition: NewSold by: wholesalehydroponicssupplies

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