Bluelab · Updated August 2026
Bluelab pH Pen: price & specs
Bluelab pH Pen. Every price and spec below is linked to its source and dated — no guesses.
Source: bluelab.com verified verify in ledger
Is the Bluelab pH Pen a good buy?
At $99, the Bluelab pH Pen is #4 cheapest of the 11 ph meters we track, where the median is $124.
Specifications
| Price (US) | $99 Current price on bluelab.com (manufacturer direct, USD + tax) |
|---|---|
| Brand | Bluelab |
| Released | — |
| Ph range | 0.0 to 14.0 |
| Resolution ph | 0.1 |
| Accuracy ph | ±0.1 at 25°C/77°F |
| Calibration points | Two-point (pH 7.0 and pH 4.0 solutions), with a built-in 30-day calibration reminder |
| Atc | Yes, fully temperature compensated |
| Electrode type | Double-junction pH probe |
| Waterproof rating | Waterproof; floats in any solution |
| Battery type | 1 x AAA alkaline |
Source: bluelab.com (verified 2026-08-12). Bluelab's own product page confirms range, resolution, accuracy, two-point calibration with 30-day reminder, full temperature compensation, double-junction probe, floating waterproof body, single AAA battery, and $99.00 price.
Is the Bluelab pH Pen worth it vs cheaper ph meters?
Bluelab pH Pen against its closest cheaper and pricier ph meters on the specs that matter — every value sourced. See all 11 ranked
| Product | Price | Ph range | Resolution ph | Accuracy ph | Calibration points | Atc |
|---|---|---|---|---|---|---|
| Bluelab pH Pen this | $99 | 0.0 to 14.0 | 0.1 | ±0.1 at 25°C/77°F | Two-point (pH 7.0 and pH 4.0 solutions), with a built-in 30-day calibration reminder | Yes, fully temperature compensated |
| Hanna Instruments HI98107 pHep pH Tester | $64.99 | 0.0 to 14.0 pH | 0.1 pH | ±0.1 pH at 25°C/77°F (Hanna's own spec table separately lists ±0.2 pH; the narrative accuracy claim ±0.1 pH is used here) | Automatic, 1 or 2-point, using standard buffers 4.01/7.01/10.01 | Automatic, 0 to 50°C |
| Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester | $110 | -2.00 to 16.00 pH | 0.01 / 0.1 pH (selectable) | ±0.01 pH ±1 digit | Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 | Automatic, 0 to 50°C (32 to 122°F) |
Frequently asked questions
How much does the Bluelab pH Pen cost?
The Bluelab pH Pen has a US price of $99 (Current price on bluelab.com (manufacturer direct, USD + tax)), as of 2026-08-12.
How does the Bluelab pH Pen compare on price?
At $99, the Bluelab pH Pen is #4 cheapest of the 11 ph meters we track, where the median is $124.
What are the Bluelab pH Pen's key specs?
Bluelab pH Pen (Bluelab): ph range 0.0 to 14.0, resolution ph 0.1, accuracy ph ±0.1 at 25°C/77°F, calibration points Two-point (pH 7.0 and pH 4.0 solutions), with a built-in 30-day calibration reminder, atc Yes, fully temperature compensated. Full sourced spec sheet verified 2026-08-12.
Price of record: $99 at bluelab.com, 2026-08-12. Other retailers may be lower — check the current price:
See Bluelab pH Pen on Amazon As an Amazon Associate we earn from qualifying purchases.Similar ph meters
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All ph meters ranked · Open data & methodology · Queryable via MCP
Compare with
Head-to-head
- Bluelab pH Pen vs Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester
- Bluelab pH Pen vs Hanna Instruments HI98107 pHep pH Tester
- Bluelab pH Pen vs Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter
- Bluelab pH Pen vs Extech PH100 ExStik II Waterproof pH Meter
- Bluelab pH Pen vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe
- Bluelab pH Pen vs Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14)
- Bluelab pH Pen vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics
Cheaper ph meters
Step up
- Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester $110
- Extech PH100 ExStik II Waterproof pH Meter $124
- Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) $169.3
- Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe $174.99
- Apera Instruments PC60 Premium Series Multiparameter (pH/EC/TDS/Salinity/Temp) Pocket Tester $180
- Hach Pocket Pro+ pH Tester (9531000) $199.5