Conductivity K 10 Kit
This Conductivity Probe can be fully submerged in fresh water or salt water, up to the BNC connector indefinitely.
fully submerged

Atlas Scientific Dosing pump EZO-PMP™

Tentacle Mini for Arduino

Tentacle Shield for Arduino

Gravity™
Analog pH Sensor / Meter

pH Probe
This pH Probe can be fully submerged in fresh water or salt water, up to the SMA connector indefinitely.

ORP Probe.
This ORP Probe can be fully submerged in fresh water or salt water, up to the BNC connector indefinitely.

EZO™ probe kit.