Manutec Soil pH Test Kit Good soil is a crucial part of any plant’s development, so to make sure you can have your balance right, try the Manutec Soil pH Test Kit! Check your soil pH regularly for healthy growth of plants. This simple, accurate, and economical kit to instantly test the pH of soils and potting mixes is widely used by home gardeners and horticultural professionals. Optimal pH is a prerequisite for the effective uptake of nutrients into plants, highly acidic or alkaline soil conditions lock up nutrients in soils and are unavailable for plants to uptake and waste in fertilisers applied without any response. Features Instantly test the pH of soils, potting mixes, and composts Accurate, simple, and economical Very handy for gardeners, horticulturists, and farmers to test instantly