3 in1 PH Tester Soil Water Moisture Light Testing Meter for Garden Plant Flower
2, Design for testing soil ONLY. Multi-function：1. Let you know when to water. You will never over/under water your plants again with this tester. pH Range: 3.5-8 Ph (3.5-6.5 ACID, 7 NOR, 7-8 ALKALI).