This product is named as ph probe soil tester, while the picture is of the kci storage solution? which product is this?

The probe end of the pH tester needs to be protected when not in use. This stuff is what's use the store the probe in.

How long does a 100ml bottle last, if using the probe once a day?

As long as the cap has solution in it (glass bulb is immersed) when stored, then it should last at least a year. You may need to top it up from time to time, but you shouldn't be rinsing or tipping the contents of the cap out on each use.

This item description is for soil testing however the item pictured is the kcl storage solution. which product is it?

This is KCl storage solution. I have submitted incorrect Product name to the seller.

What exactly is the solution? Thanks

it helps in keeping the the test probe from drying out .i highly recommend it been using the same blue lab ph pen for over a year and id like to think its from storing it properly. blue lab is the way to go

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Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow

Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow

Product ID: 490793065

Details

Brand
Bluelab
Item weight
0.14 Kilograms
Item volume
120
Package information
Bottle
Item form
Liquid

⏳extends probe lifespan

💧120ml precision hydration

⚖️lab-grade KCl formula

220 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

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Description

💧 Keep your pH probes alive and thriving—because dry means die!

SEAMLESS COMPATIBILITY - Specifically engineered for Bluelab pH pens and probes—perfect synergy for your hydroponic setup.
LAB GRADE QUALITY ASSURANCE - Formulated to strict laboratory standards for consistent, reliable pH probe performance.
MONTHLY MAINTENANCE MADE EASY - Simple cap-fill method ensures your pH probes stay responsive and ready for precise nutrient adjustments.
MAXIMIZE YOUR METERS LIFESPAN - Keep your Bluelab pH probes hydrated to extend accuracy and durability.
PRECISION HYDRATION IN EVERY DROP - 120ml bottle designed for optimal storage and maintenance of sensitive glass probes.

Bluelab STSOL120 KCl Storage Solution is a 120ml liquid designed to hydrate and store Bluelab pH pens and probes, significantly extending their lifespan and maintaining measurement accuracy. Manufactured to high laboratory standards, this solution prevents probe drying, ensuring fast response times and reliable pH readings for water, soil, and hydroponic systems.

Specifications

ASIN	B098GZ8S42
Brand	Bluelab
Brand Name	Bluelab
Container Type	Bottle
Customer Reviews	4.7 out of 5 stars 505 Reviews
Item Form	Liquid
Item Weight	0.14 Kilograms
Item form	Liquid
Item volume	120 Milliliters
Item weight	0.14 Kilograms
Manufacturer	Bluelab
Model Number	STSOL120
Package information	Bottle
Part Number	STSOL120
Unit Count	4.05 Fluid Ounces
Unit count	4.05 Fluid Ounces
Volume	120 Milliliters

Reviews

T**.

Reputable

Great product

8.06.2026

M**J

Perfect

This stuff is good. The One Pen from Blue Labs cost too much not to buy the best products to keep it working properly. This storage solution works. I will be buying more to keep my meter safe.

25.10.2024

S**N

Item good!

Good! 🙂

10.03.2026

J**S

a must

Been working as intended.

30.01.2026

V**Y

Super

Très satisfaite

8.11.2023

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220 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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3 weeks ago

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