Keep your pH and EC meters in top condition with Hanna Instrument's Groline Electrode Cleaning Solutions, specially designed for both indoor and outdoor growers. These high-quality cleaning solutions ensure accurate readings by effectively removing build-up and contaminants from your electrodes. Ideal for maintaining the performance of your testing equipment, Hanna Electrode Cleaning Solutions are essential for precise nutrient management in any grow space. Ensures Accurate Readings: Removes dirt, residues, and contaminants from your electrodes, ensuring precise and reliable pH and EC measurements. Prolongs Electrode Life: Regular cleaning helps extend the lifespan of your electrodes, saving you money on replacements. Improves Performance: Maintains the optimal functionality of your pH and EC meters, ensuring consistent and accurate nutrient management. Easy to Use: Simple application process makes cleaning your electrodes quick and hassle-free, perfect for gardeners of all experience levels. Versatile: Suitable for all types of pH and EC meters, making it a convenient choice for any grower. Maintain the accuracy and longevity of your pH/EC/TDS/temp testing equipment with Hanna Electrode Cleaning Solutions. Whether you’re a novice or an experienced gardener, this essential maintenance solution ensures your electrodes stay clean and functional, leading to better nutrient management for healthier and more productive plants. The Hanna range of measuring instruments and calibration/cleaning/storage solutions are pretty new to us here at Greens, however it's so far so good in terms of feedback from our customers across their range, and seem to be living up to their good, reliable reputation. Available in 120ml, 230ml and 500ml sizes.