Under $5

PROBHOLD pH Probe - Suction Cup / Holder by Bluelab

Protect your pH probe from damage by securing it with this nifty probe holder. Simply slide up the barrel of the probe stem and place onto the inside of a tank or reservoir.

As you know, pH probes are fragile as they have an internal glass stem and a glass bulb on the tip of the probe. A few dollars is all it takes to ensure a longer life from your pH probe.

Brass Plug, 12-24 Threads

DIBBER Replacement Dibber/Auger for Soil pH Probe by Bluelab

This handy dibber is used to pierce the soil prior to inserting the soil pH probe to eliminate the risk of sticks or stones breaking the glass tip of the soil probe.

There are units of measurement on the side, with centimeters and inches, so you can measure pH at consistent levels.