Astral Rolachem pH Probe & Sensor Precision pH Monitoring for Smarter Pool Chemistry Ensure accurate and reliable pH readings with the Astral Rolachem pH Probe & Sensor—an essential component for any automated dosing system. Designed to work seamlessly with Astral's Rolachem controllers, this high-quality sensor continuously monitors your pool's pH levels, helping to maintain perfect water balance and reduce manual testing. Key Features: High-Accuracy pH MeasurementProvides continuous, real-time data to support precise pH dosing. Durable & Long-LastingBuilt to withstand harsh pool environments for dependable performance. Easy IntegrationCompatible with Astral’s Rolachem controllers for plug-and-play installation. Enhanced Water QualityHelps maintain optimal pH levels to improve swimmer comfort and extend equipment life. Ideal For: Pool owners using the Rolachem pH dosing system Anyone looking to automate and improve their pool water management Commercial or residential setups requiring accurate pH control Need help installing or replacing your sensor? Our team at The Pool Lab is ready to assist. Replacement part only – Doser unit sold separately.