---
product_id: 354519920
title: "KCl Storage Solution for pH Probes and Pens, for Maintaining, Hydrating, and Storing pH Meters, Made in The USA (120ml / 4.5 fl. oz)"
brand: "bluelab"
price: "฿2529"
currency: THB
in_stock: true
reviews_count: 8
category: "Bluelab"
url: https://www.desertcart.co.th/products/354519920-kcl-storage-solution-for-ph-probes-and-pens-for-maintaining
store_origin: TH
region: Thailand
---

# 120ml premium hydration volume Precision pH probe maintenance Made in USA quality assurance KCl Storage Solution for pH Probes and Pens, for Maintaining, Hydrating, and Storing pH Meters, Made in The USA (120ml / 4.5 fl. oz)

**Brand:** bluelab
**Price:** ฿2529
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your pH game sharp—hydrate, store, and conquer with Bluelab!

## Quick Answers

- **What is this?** KCl Storage Solution for pH Probes and Pens, for Maintaining, Hydrating, and Storing pH Meters, Made in The USA (120ml / 4.5 fl. oz) by bluelab
- **How much does it cost?** ฿2529 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/354519920-kcl-storage-solution-for-ph-probes-and-pens-for-maintaining)

## 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

- • **Compact & Ready-to-Use:** 120ml bottle with clear instructions—easy storage and application on the go.
- • **Trusted Industry Leader:** From Bluelab, the hydroponic testing pioneer trusted by professional growers worldwide.
- • **Precision-Driven Accuracy:** Maintain exact pH readings for flawless nutrient adjustments every time.
- • **Tailored for Bluelab Devices:** Seamless compatibility with Bluelab pH pens and probes ensures peak performance.
- • **Extend Your pH Probe’s Lifespan:** Keep your investment accurate and reliable with optimal hydration.

## Overview

Bluelab KCl Storage Solution is a 120ml premium hydration fluid designed specifically for maintaining and storing Bluelab pH pens and probes. Made in the USA, it extends probe lifespan and ensures precise pH measurements critical for hydroponic and soil nutrient management. Trusted by professionals, this solution safeguards your investment and optimizes your garden’s nutrient accuracy.

## Description

desertcart.com : Bluelab KCl Storage Solution for pH Probes and Pens, for Maintaining, Hydrating, and Storing pH Meters, Made in The USA (120ml / 4.5 fl. oz) : Patio, Lawn & Garden

Review: 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.
Review: Excelente producto - Excelente producto

## 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 |
|---------------|-------|
| Best Sellers Rank | #17,173 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Chemical Buffers |
| Brand | Bluelab |
| Customer Reviews | 4.7 out of 5 stars 2,244 Reviews |
| Item Volume | 120 Milliliters |
| Item Weight | 0.14 Kilograms |
| Manufacturer | Bluelab |

## Product Details

- **Brand:** Bluelab
- **Item Weight:** 0.14 Kilograms
- **Item Volume:** 120 Milliliters
- **Manufacturer:** Bluelab

## Images

![KCl Storage Solution for pH Probes and Pens, for Maintaining, Hydrating, and Storing pH Meters, Made in The USA (120ml / 4.5 fl. oz) - 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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by M***J on October 25, 2024*

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.

### ⭐⭐⭐⭐⭐ Excelente producto
*by E***A on January 13, 2026*

Excelente producto

### ⭐⭐⭐⭐⭐ What is recommended for calibratiing a PH pen
*by T***R on October 11, 2025*

I have used the Bluelab pen a number of times and this is what is recommended cleaning the PH probe and calibrating the PH pen.

## 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 Thailand*
*Store origin: TH*
*Last updated: 2026-02-21*