Hanna Handheld TDS Tester (Waterproof) DEMH Every level can hold up

Every level can hold up to 1kg or 2

Rock Resinator is used and trusted by thousands of plant growers

If ingested

25mm (1 Inch) x 1mm thick poles

Works as a specialized nutrient for rapidly growing plants during the structural and foliar growth phase

Hanna Handheld TDS Tester (Waterproof) DEMH Every level can hold upThe Hanna Instruments HI98301 DiST 1 is a low range total dissolved solids tester than can measure up to 2000 ppm (mg L). The DiST 1 is a rugged and reliable pocket sized tester for use in the lab or field. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98301 DiST 1 has a 0. 5 conversion factor in the measurement of TDS in a variety of applications including water conditioning,