This universal pH test paper set contains 100 pieces per box, covering the full 0–14 pH range to detect acidic, neutral and alkaline liquids efficiently. Made of premium indicator paper, it delivers distinct color changes within 15 seconds after dipping, with a matching color chart included for intuitive comparison, no complicated calibration or batteries needed.

Compact lightweight packaging is moisture-proof for long-term storage, easy to carry for home, lab, garden and field testing. Far more cost-effective than digital pH meters, it supports frequent daily testing without extra maintenance.

Wide application scenarios include drinking water, fish tanks, hydroponic nutrient fluid, soil extracts, wine, handmade soap, urine, cleaning agents and school chemistry experiments. Suitable for farmers, brewers, laboratory staff, students and daily household users, it is an affordable, convenient essential tool for regular pH monitoring.