--- product_id: 20375447 title: "2.77 EC Conductivity Solution (250 ml)" brand: "bluelab" price: "NZ$54" currency: NZD in_stock: true reviews_count: 11 category: "Bluelab" url: https://www.desertcart.nz/products/20375447-2-77-ec-conductivity-solution-250-ml store_origin: NZ region: New Zealand --- # 2.77 EC precise standard 250 ml for frequent calibration Ready-to-use, no mixing 2.77 EC Conductivity Solution (250 ml) **Brand:** bluelab **Price:** NZ$54 **Availability:** ✅ In Stock ## Summary > ⚡ Stay calibrated, stay ahead — precision in every drop! ## Quick Answers - **What is this?** 2.77 EC Conductivity Solution (250 ml) by bluelab - **How much does it cost?** NZ$54 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/20375447-2-77-ec-conductivity-solution-250-ml) ## 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 - • **Top-Rated Reliability:** Backed by a 4.8-star rating from 466 professionals, this solution is the trusted choice for industrial and scientific accuracy. - • **Precision You Can Trust:** Calibrate your EC and PPM meters with the industry-standard 2.77 EC solution for flawless accuracy every time. - • **Effortless Accuracy Checks:** Ready-to-use formula means zero prep time—just open and verify your probe’s performance instantly. - • **Routine Maintenance Made Simple:** Generous 250 ml bottle supports frequent testing, ensuring your equipment stays reliable and consistent. - • **Boost Your Measurement Confidence:** Regular use guarantees your conductivity meters deliver precise readings, eliminating guesswork in critical applications. ## Overview BlueLab 2.77EC Conductivity Solution is a ready-to-use 250 ml liquid standard designed to verify and maintain the accuracy of EC and PPM meters. Ideal for routine calibration, it ensures reliable probe performance and consistent measurement results, making it a must-have for professionals demanding precision in industrial and scientific environments. ## Description desertcart.com: Bluelab 2.77 EC Conductivity Solution (250 ml) : Industrial & Scientific Review: It works great if you use fresh product. Keep it refrigerated. - Keep it refrigerated after opening the container! It works great, but it degrade after use if not keep cold. I would also poor the product back into the container after testing. Poor it out and use fresh material from the bottle. Review: Good product - Works great! ## Features - 2.77 EC conductivity standard solution used to verify accuracy of EC and PPM meters - Helps confirm probe performance after cleaning by providing a reliable reference reading - Supports accurate measurements by allowing regular accuracy checks of conductivity meters - Ready-to-use solution with no mixing required for quick and easy testing - 250 ml (8.4 fl oz) bottle, suitable for routine maintenance and frequent use ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00Z6SJ69C | | Best Sellers Rank | #52,807 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Electrolyte Solutions | | Brand | Bluelab | | Brand Name | Bluelab | | Container Type | Bottle | | Customer Reviews | 4.8 out of 5 stars 470 Reviews | | Global Trade Identification Number | 09421024920425 | | Item Form | Liquid | | Item Type Name | industrial-products | | Item Volume | 250 ml | | Item Weight | 7.2 ounces | | Manufacturer | Bluelab | | Model Number | 732899 | | Package Information | Bottle | | Part Number | GL56732899 | | UPC | 791090263047 638888603435 | | Volume | 250 ml | ## Product Details - **Brand:** Bluelab - **Item Form:** Liquid - **Item Volume:** 250 ml - **Item Weight:** 7.2 ounces - **Package Information:** Bottle ## Images ![2.77 EC Conductivity Solution (250 ml) - Image 1](https://m.media-amazon.com/images/I/61Nx8pWVmQL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Is this 500 ml (as seen in title) or 250 ml (as seen in picture)?** A: 500 ml **Q: Is this solution the same just a smaller bottle? https://www.amazon.com/gp/product/b00vj1ti4s/ref=ox_sc_act_title_2?smid=aq9io7smv7bgn&th=1** A: This is just the smaller bottle with 250 ml. **Q: Can you clean uniy qith this** A: I’d recommend the cleaning kit instead. That way you get the flat soft brush and the cleaning solution. This is only for calibration. Bluelab Conductivity Nutrient Probe Care Kit: https://www.amazon.com/dp/B007QV8VA2/ref=cm_sw_r_cp_api_i_ncNuDbDHE7NKM **Q: Im going to buy the bluelab ppm meter with this solution i was told. What does this solution do and when im not using the ppm pen do i need solutions?** A: The 2.77 EC solution is to make sure that your PPM meter is reading correctly. You do not need storage solution for this pen. ## Customer Reviews ### ⭐⭐⭐⭐⭐ It works great if you use fresh product. Keep it refrigerated. *by D***H on August 1, 2025* Keep it refrigerated after opening the container! It works great, but it degrade after use if not keep cold. I would also poor the product back into the container after testing. Poor it out and use fresh material from the bottle. ### ⭐⭐⭐⭐⭐ Good product *by D***K on May 4, 2025* Works great! ### ⭐⭐⭐⭐⭐ Good *by S***N on March 10, 2026* Good ## Frequently Bought Together - BlueLab 2.77EC Conductivity Solution, 250 milliliters - Bluelab pH 4.0 & 7.0 Calibration Solution Kit - pH Meter & pH Pen Calibration for Balanced Nutrient Solution NIST Traceable | Hydroponics, Gardening & Growing Tents (500 ml/ 16.9 Fl Oz Each) - Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White --- ## 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.nz/products/20375447-2-77-ec-conductivity-solution-250-ml](https://www.desertcart.nz/products/20375447-2-77-ec-conductivity-solution-250-ml) --- *Product available on Desertcart New Zealand* *Store origin: NZ* *Last updated: 2026-09-02*