onyx quantum shock de 1kg granulated stabilized 90percent chlorine with alum and copper Pack:Set of 3 and effortless maintenance of your

and effortless maintenance of your pool's filtration system

Standard shock treatment: Reach a residual chlorine level of 5-10 ppm

dead algae

a transparent lid with oversized clamping handles

onyx quantum shock de 1kg granulated stabilized 90percent chlorine with alum and copper Pack:Set of 3 and effortless maintenance of yourOnyx Quantum Shock 1KG is a 90% stabilized granular chlorine combined with an exclusive 4 in 1 multi action formula. Enriched with alum (natural clarifier) and copper (powerful anti algae), it offers a complete solution for clear, healthy, and easy to maintain pool water. This powerful shock treatment eliminates contaminants, prevents algae, and improves water clarity in a single application. Ideal for replacing multiple products and simplifying your