Eco-Friendly Pool Management (Swimming)

PS69 The sourcing, cleaning and redistribution of water in public and private pools can gain from being eco-friendly whilst conforming to legislation and managing external contaminates from the environment such as load, rainfall, and exposure to ultraviolet deterioration. How can we cost-effectively, accurately, and digitally capture readings and administer dosage? Can they be combined with an early warning system and/or a fail-safe trigger mechanism if sensors and instruments are off-calibration?