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

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Bluelab PENSOILPH Soil pH Pen and Digital Meter for Soil, Water, Coco, and Rockwool with Easy Calibration, pH Test Kit for Hydroponic System and Indoor Plant Grow

Bluelab PENSOILPH Soil pH Pen and Digital Meter for Soil, Water, Coco, and Rockwool with Easy Calibration, pH Test Kit for Hydroponic System and Indoor Plant Grow

Product ID: 7300385

Details

Brand
Bluelab
Color
Clear
Included Components
AAA battery
Model Name
Soil pH Pen
Number of Batteries
1 AAA
Power Source
Battery

💧Fully waterproof & durable

🧪Lab-quality glass pH probe

🌡️Measures temperature with ATC

Description

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

VERSATILE MULTI MEDIA USE - Perfect for soil, coco, rockwool, aquariums, pools, and hydroponic systems.
RUGGED WATERPROOF DESIGN - Built to last through repeated use in demanding indoor and outdoor growing environments.
USER FRIENDLY CALIBRATION ALERTS - Smart reminders keep your meter perfectly tuned for reliable data every time.
PRECISION P H TEMPERATURE READINGS - Lab-grade glass probe ensures accurate monitoring for soil, water, and hydroponics.
AUTOMATIC TEMPERATURE COMPENSATION ATC - Consistent results regardless of temperature fluctuations—no guesswork needed.

The Bluelab PENSOILPH is a professional-grade digital pH and temperature meter designed for precise nutrient and soil monitoring in hydroponics, indoor gardening, and aquatic environments. Featuring a lab-quality glass probe, automatic temperature compensation, and a durable waterproof design, it delivers reliable, consistent readings to optimize plant health and growth. Trusted by growers worldwide and backed by a 1-year warranty, this tool is essential for anyone serious about mastering their growing conditions.

Specifications

ASIN	B00CJIDFAS
Additional Features	High Accuracy, Waterproof
Best Sellers Rank	#170,538 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #217 in Lab pH Meters #293 in Soil Meters
Brand Name	Bluelab
Color	Clear
Customer Reviews	4.2 4.2 out of 5 stars (1,014)
EU Spare Part Availability Duration	1 Years
Global Trade Identification Number	09421024920487
Included Components	AAA battery and storage cap
Indoor Outdoor Usage	Indoor
Item Type Name	pH Test Kit for Hydroponic System and Indoor Plant Grow
Item Weight	0.15 Pounds
Manufacturer	Bluelab Corporation Limited - Import (NZ)
Model	PENSOILPH
Model Name	Soil pH Pen, Digital Meter and Water Test Kit, also used for Coco and Rockwool
Number of Batteries	1 AAA batteries required.
Part Number	PENSOILPH
Power Source	Battery Powered
Reusability	Reusable
Smart Home Compatibility	Not Smart Home Compatible
Style Name	Bluelab Soil pH Pen
Unit Count	1.0 Count
Warranty Description	1 year limited guarantee

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