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Bluelab

Bluelab pH Pen

$75.05across 32 retailers

The Bluelab PENPH pH Pen is a reliable tool for plant germination and hydroponics, offering precise pH measurements that contribute to healthier plant growth. However, it has some drawbacks, including the need for regular calibration and occasional malfunctions. Despite these issues, its durability and effectiveness in monitoring nutrient levels make it a beneficial addition to any gardening toolkit, as long as you keep up with its maintenance and calibration requirements.

Model: BLU2210UPC: 9421024920234
Lowest price
$79.94 at Amazon
Price seen Jul 24, 2022

Where to Buy

Newest price seen: Sep 27, 2024
RetailerPriceLast seenBuy
L
LA Garden Supply
$75.05Jul 12, 2022, may have changedBuy Now
G
GroIndoor
$75.36Jul 24, 2022, may have changedBuy Now
Amazon logo
Amazon
30-day returns (in store too)
$79.94Jul 24, 2022, may have changedBuy Now
B
BetterGrow Hydro
$82.03Jul 24, 2022, may have changedBuy Now
S
sustainhydro.com
$83.50Jul 24, 2022, may have changedBuy Now

Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.

Product Score

Calculated by ShopSavvy from the professional reviews and customer ratings we collected for this product.

5.4/10
Overall
5.4
Consumer

Why this score?

The Bluelab PENPH pH Pen for Plant Germination receives a moderate score due to its initial performance and ease of calibration, which customers appreciated, but many users report serious durability issues and calibration inconsistencies over time. While the product is considered a decent option for hydroponics, its reliability does not justify the higher price point, leading to expectations of better longevity and accuracy.

8+ Excellent
6-8 Good
4-6 Average
<4 Poor

Score

The Bluelab PENPH pH Pen for Plant Germination receives a moderate score due to its initial performance and ease of calibration, which customers appreciated, but many users report serious durability issues and calibration inconsistencies over time. While the product is considered a decent option for hydroponics, its reliability does not justify the higher price point, leading to expectations of better longevity and accuracy.

5.4/10
Overall

Pros

  • •Precise pH measurements ideal for hydroponics.
  • •User-friendly interface and easy to read display.
  • •Durable and sturdy design suitable for various conditions.
  • •Contributes to healthier plant growth by monitoring nutrient levels.
  • •Effective in identifying pH level changes swiftly.
  • •Helpful customer support for troubleshooting issues.

Cons

  • •Requires regular manual calibration.
  • •Calibration can occasionally fail.
  • •Buttons can malfunction over time.
  • •Reading inaccuracies reported by multiple users.
  • •Necessitates additional purchase of calibration and storage solutions.

Bottom Line

The Bluelab PENPH pH Pen is a reliable tool for plant germination and hydroponics, offering precise pH measurements that contribute to healthier plant growth. However, it has some drawbacks, including the need for regular calibration and occasional malfunctions. Despite these issues, its durability and effectiveness in monitoring nutrient levels make it a beneficial addition to any gardening toolkit, as long as you keep up with its maintenance and calibration requirements.

Read full expert review

What Reviewers Are Saying

Praised
worked great initially14%
Criticized
quality on the decline7%
not very accurate14%
won't hold calibration21%
doesn't last14%
backlight on display too weak7%
no resealable storage solution14%

Discussion

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