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Ships within 48 hours · Estimated delivery Sep 19 - Sep 24
It carries an ETL listing for safe continuous use
High density polyethylene: No rot
Only one blend valve
Absorption stops at 50% RH
Wide pH Range pH range is from 0
Hanna GroLine Hydroponic Tester HI98131 | pH, EC, TDS, Temp Living Soil It carries an ETL listingWhy the GroLine Hydroponic Tester Outlasts a Sealed Pen The electrode comes out. On most pocket pH meters the probe is sealed in, so when it dies the meter goes in the bin with it. Here the HI73127 electrode unscrews using the HI73128 tool that comes in the box. That one detail changes what the meter costs you across five seasons rather than one. What the HI98131 Reads, and How Accurately Four values at once, on one screen. pH covers 0. 00 to 14. 00
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