To make an Ethylene Glycol Solution

Alarm: Activates when reading is higher or lower than setpoint

The NuvoH2O Iron & Heavy Metals Filter 2x10 is ideal for RV owners

Box Dimensions: 8 L × 8 W × 26 H cm (3 L × 3 W × 10 H in)

"I've been using this controller for two years to monitor and adjust pH of hydroponic nutrient solutions

Milwaukee MA923B/5 Epoxy Industrial ORP Probe - 5m Cable, Platinum, BNC Connector 810666009183 To make an Ethylene GlycolHeavy Duty Epoxy Body Industrial ORP Probe with 5 Meter Cable The Milwaukee MA923B 5 is a rugged, industrial grade epoxy body ORP (Oxidation Reduction Potential) probe featuring a platinum sensing element designed for the most demanding testing environments. Compatible with Milwaukee BNC connector meters, this probe features an extra long 5 meter (16. 4 ft) cable for exceptional reach and an ultra durable epoxy resin body built to withstand extreme