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

Soil Ph Pen | Desertcart UK

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Description

🌱 Elevate your grow game with precision pH control—because your plants deserve the best!

READY TO USE KIT - Includes AAA battery and storage cap/dibber—everything you need to start monitoring instantly.
PRECISION P H MASTERY - Lab-grade glass probe ensures pinpoint accuracy for soil, coco, rockwool, and solutions.
USER FRIENDLY DISPLAY - Backlit LCD screen for clear readings day or night, perfect for busy pros on the go.
EFFORTLESS CALIBRATION - Easy two-point calibration with reminders keeps your readings flawless every time.
SMART TEMPERATURE ADAPTATION - Auto temperature compensation guarantees reliable results regardless of environment.

The Bluelab PENSOILPH pH Pen delivers lab-quality pH measurements for soil, coco, rockwool, and nutrient solutions. Featuring easy two-point calibration, auto temperature compensation, and a backlit LCD, it ensures accurate, reliable readings for hydroponics, brewing, and water testing. Compact, battery-powered, and backed by a 1-year warranty, this New Zealand-made tool is essential for professional growers seeking precision and convenience.

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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