GH pH Test kits
信頼性抜群！簡単、お手軽な試薬タイプのｐH測定キットです。
溶液を透明ボトルに半分ほど入れ、試薬を３〜5滴混ぜ合わせます。変化した色でｐH値を測定します。
150〜300回程度使用できます。
試薬容量：28ml
pH TEST INDICATOR Solution Tester
General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use, which are important factors when the health of a valuable crop is at stake. Use 3 drops per 5mL of solution.
