--- product_id: 354519920 title: "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)" brand: "bluelab" price: "€ 38.20" currency: EUR in_stock: true category: "Bluelab" url: https://www.desertcart.ie/products/354519920-bluelab-kcl-storage-solution-for-ph-probes-and-pens-maintaining store_origin: IE region: Ireland --- # 120ml premium hydration volume Precision pH probe maintenance Made in USA quality assurance 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) **Brand:** bluelab **Price:** € 38.20 **Availability:** ✅ In Stock ## Summary > 💧 Keep your pH game sharp and your garden thriving! ## Quick Answers - **What is this?** 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) by bluelab - **How much does it cost?** € 38.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/354519920-bluelab-kcl-storage-solution-for-ph-probes-and-pens-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—perfect for on-the-go maintenance. - • **Precision in Every Drop:** Maintain probe accuracy for flawless pH adjustments in your hydroponic or soil setups. - • **Trusted Industry Leader:** From Bluelab, the go-to brand for professional growers worldwide. - • **Tailored for Bluelab Devices:** Optimized compatibility with Bluelab pH pens and probes for seamless performance. - • **Extend Your pH Probe’s Lifespan:** Hydrate and store with KCl solution to keep your meters accurate and long-lasting. ## Overview Bluelab KCl Storage Solution is a 120ml US-made hydration and storage liquid designed specifically for Bluelab pH pens and probes. It extends probe life and ensures precise pH readings, making it an essential tool for professional hydroponic and soil nutrient monitoring. ## 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 ## 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 | |---------------|-------| | ASIN | B098GZ8S42 | | Best Sellers Rank | #27,230 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in Chemical Buffers | | Brand Name | Bluelab | | Customer Reviews | 4.7 4.7 out of 5 stars (2,270) | | Item Type Name | KCL Storage Solution | | Item Weight | 0.14 Kilograms | | Manufacturer | Bluelab | | Model Number | STSOL120 | | Part Number | STSOL120 | | Unit Count | 4.05 Fluid Ounces | | Volume | 120 Milliliters | ## Product Details - **Brand:** Bluelab - **Item Volume:** 120 Milliliters - **Item Weight:** 0.14 Kilograms - **Manufacturer:** Bluelab - **Unit Count:** 4.05 Fluid Ounces ## Images ![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) - Image 1](https://m.media-amazon.com/images/I/71N1BPlujNL.jpg) ![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) - Image 2](https://m.media-amazon.com/images/I/710TcFTYGsL.jpg) ![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) - Image 3](https://m.media-amazon.com/images/I/71EDF8n+uIL.jpg) ![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) - Image 4](https://m.media-amazon.com/images/I/71957AVSRVL.jpg) ![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) - Image 5](https://m.media-amazon.com/images/I/8110n8LZrrL.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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ie/products/354519920-bluelab-kcl-storage-solution-for-ph-probes-and-pens-maintaining](https://www.desertcart.ie/products/354519920-bluelab-kcl-storage-solution-for-ph-probes-and-pens-maintaining) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-07-08*