--- 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: "£32.23" currency: GBP in_stock: true category: "Bluelab" url: https://www.desertcart.co.uk/products/354519920-bluelab-kcl-storage-solution-for-ph-probes-and-pens-maintaining store_origin: GB region: United Kingdom --- # 120ml premium hydration volume Extends pH probe lifespan & accuracy 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:** £32.23 **Availability:** ✅ In Stock ## Summary > 💧 Keep your pH game sharp and your garden thriving with Bluelab’s hydration hero! ## 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?** £32.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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—easy storage and maintenance on the go. - • **Seamless Compatibility:** Specifically formulated for Bluelab pH and soil pens & probes—no guesswork, just perfect fit. - • **Precision Hydration Boost:** Keeps your pH probes perfectly hydrated for ultra-accurate readings every time. - • **Prolonged Probe Longevity:** Extends the life of your Bluelab pH pens and probes, saving you replacement costs. - • **Trusted Industry Standard:** From Bluelab, the hydroponic testing leader trusted by top growers worldwide. ## Overview Bluelab KCl Storage Solution is a 120ml US-made formula designed to hydrate, maintain, and store Bluelab pH pens and probes. It ensures precise pH measurements by extending probe life and accuracy, making it an essential accessory for professional growers and hydroponic enthusiasts committed to optimal 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 | #29,280 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Chemical Buffers | | Brand Name | Bluelab | | Customer Reviews | 4.7 4.7 out of 5 stars (2,277) | | Item Type Name | KCL Storage Solution | | Item Weight | 0.14 kg | | Manufacturer | Bluelab | | Model Number | STSOL120 | | Part Number | STSOL120 | | Unit Count | 4.05 Fluid Ounces | | Volume | 120 ml | ## Product Details - **Brand:** Bluelab - **Item Volume:** 120 ml - **Item Weight:** 0.14 kg - **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/7109QS6c37L.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/51MibvySdbL.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/41SEhMepc5L.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/51EO9tbbYyL.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/41cyjwpuUIL.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.co.uk/products/354519920-bluelab-kcl-storage-solution-for-ph-probes-and-pens-maintaining](https://www.desertcart.co.uk/products/354519920-bluelab-kcl-storage-solution-for-ph-probes-and-pens-maintaining) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-08-30*