---
product_id: 490793065
title: "STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow"
brand: "bluelab"
price: "254 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/490793065-stsol120-kcl-storage-solution-120ml-ph-probe-and-pen-maintain
store_origin: RO
region: Romania
---

# Optimized for water, soil & hydroponic systems 120ml KCl solution for probe hydration Precision storage extends pH probe lifespan STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow

**Brand:** bluelab
**Price:** 254 Lei
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your pH game flawless — hydration that powers precision!

## Quick Answers

- **What is this?** STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow by bluelab
- **How much does it cost?** 254 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/490793065-stsol120-kcl-storage-solution-120ml-ph-probe-and-pen-maintain)

## Best For

- bluelab enthusiasts

## Why This Product

- Trusted bluelab brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Your Grow Kit:** Pair with Bluelab TDS meters and other hydroponic tools for comprehensive nutrient management.
- • **Precision pH Monitoring:** Keep your measurements sharp for perfect pH adjustments in water, soil, and hydroponic setups.
- • **Trusted Industry Leader:** From Bluelab, the gold standard in hydroponic testing, engineered for professional growers who demand accuracy.
- • **Extend Your Probe’s Life:** Hydrate and store your pH pens with 120ml of premium KCl solution to maintain peak accuracy.
- • **Tailored for Bluelab Devices:** Specifically designed for Bluelab pH pens and probes, ensuring seamless compatibility and reliable results.

## Overview

The BluelabSTSOL120 is a 120ml KCl storage solution designed to hydrate and maintain Bluelab pH pens and probes, extending their lifespan and ensuring precise pH measurements across water, soil, and hydroponic systems. Ideal for professional growers seeking reliable, accurate nutrient monitoring.

## Description

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

## Features

- Simply add KCl solution to the cap of the pH pen and pH probe for storage and hydration to extend their life and improve accuracy for precise pH up and down adjustments
- Designed for use with Bluelab pH pens, Bluelab soil pH pens, Bluelab pH probes and Bluelab soil pH probes
- Try Bluelab TDS (PPM) meter, tester and other hydroponics tools for full garden nutrient monitoring in water and soil
- KIT INCLUDES: 1 bottle of storage solution at 120ml, Instructions are on the label of the bottle
- Supplied by Bluelab, the industry leader in hydroponic testing equipment, built for growers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Bluelab |
| Product Dimensions | 12.29 x 3.99 x 3.99 cm; 141 g |
| Part number | STSOL120 |
| Material type | Glass |
| Power source type | Hand Powered |
| Item model number | STSOL120 |
| ASIN | B098GZ8S42 |

## Product Details

- **Brand:** Bluelab
- **Item weight:** 0.14 Kilograms
- **Item volume:** 120 Milliliters
- **Package information:** Bottle
- **Item form:** Liquid

## Images

![STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow - Image 1](https://m.media-amazon.com/images/I/7150XV4EJVL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

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

**Q: How long does a 100ml bottle last, if using the probe once a day?**
A: 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.

**Q: This item description is for soil testing however the item pictured is the kcl storage solution.  which product is it?**
A: This is KCl storage solution. I have submitted incorrect Product name to the seller.

**Q: What exactly is the solution? Thanks**
A: 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

## Frequently Bought Together

- Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow
- Bluelab BLU8000 PENGTB Grower's Toolbox with pH

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-09*