Can I use this for testing coco coir ph?

Yes you can just make sure the coco coir is slightly damp. Coco is the same as hydroponics so shoot for a ph that swings from 5.3 to 6.3 that way all nutrients are uptaken. Also don't forget to add a calcium supplement like garden lime or cal mag from botanicare or whatever brand you like.

Can you read nutrient solution PH with this as well?

Yes, it measures both soil and liquids. Gives the temp and pH of both.

Do you sell the glass with sensor replacement for this soil ph pen?

I’m pretty sure that it’s a one time pen unless you get the other unit with the replaceable heads

Pensoilph Ph Pen For Soil Coco Rockwool And Solution Easy

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Description

🌱 Grow smarter, not harder — precision pH control at your fingertips!

SMART SUSTAINABLE - Auto temperature compensation and auto-off function extend battery life and deliver consistent readings every time.
PRECISION P H MASTERY - Lab-grade glass probe ensures pinpoint accuracy across soil, coco, rockwool, and solutions—ditch unreliable test strips forever.
READY OUT OF THE BOX - Includes AAA battery, storage cap/dibber, and backed by a 1-year limited warranty from New Zealand’s hydroponic leader.
ALL IN ONE MONITORING - Compatible with Bluelab’s ecosystem of testers and meters—build your ultimate grower’s toolkit and stay ahead of the curve.
EFFORTLESS CALIBRATION - Two-point calibration with reminders and backlit LCD display means you’re always ready to measure with confidence, even in low light.

The Bluelab PENSOILPH pH Pen is a professional-grade digital meter designed for accurate pH measurement in soil, coco, rockwool, and nutrient solutions. Featuring a lab-quality glass probe, easy two-point calibration with reminders, auto temperature compensation, and a backlit LCD, it outperforms test strips and other methods. Compact and battery-powered with smart auto-off and low battery alerts, it’s the essential tool for millennial growers seeking precision and reliability, backed by a 1-year warranty from New Zealand’s industry leader.

Specifications

ASIN	B00CJIDFAS
Batteries	1 AAA batteries required.
Best Sellers Rank	134,602 in Garden ( See Top 100 in Garden ) 232 in Plant & Soil Monitoring 360 in Pool & Hot Tub Testers
Customer Reviews	4.2 4.2 out of 5 stars (973)
Date First Available	3 Oct. 2013
Item display height	3 centimetres
Item display length	35 centimetres
Item display weight	0.25 Kilograms
Item display width	6 centimetres
Item model number	PENSOILPH
Item volume	630 Millilitres
Manufacturer	Bluelab
Material type	Polymer
Part number	PENSOILPH
Power source type	Battery Powered
Product Dimensions	33.53 x 5.84 x 2.29 cm; 68.04 g

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