The Milwaukee pH55 Waterproof PH Tester is a durable and reliable tool for measuring soil pH levels in Celsius. With its thermal measuring technology, this pH tester provides accurate readings for optimal plant growth. Its waterproof plastic construction makes it suitable for outdoor use, ensuring precise measurements even in challenging conditions. The model ph55 is designed by Milwaukee, a trusted brand known for quality and efficiency, making it a valuable tool for any homeowner or gardener looking to improve their soil quality.