📊
Testing
pH Controller
An electronic pH probe with programmable relay - keeps pH in a target range by triggering CO2 or dosing pumps.
Price: Premium
For: Both $100-$500
📖 Overview
For high-precision planted tanks and reef setups, a pH controller monitors continuously and triggers action (CO2 shutoff at low pH, kalkwasser dosing at high pH). Requires periodic probe calibration.
🛒 Buying Guide
Included as standard on aquarium controllers like Neptune Apex.