CTX CTX-200 / GR Closhock reviews: 5.0/5 based on 1 analyzed review, updated September 7, 2026.
Praised: treatment effectiveness.
Review summary
Written by Augur from the 1 reviews analyzed
This pool shock treatment comes in the form of granular chlorine and is designed for the maintenance and rapid recovery of pool water. It stands out for its immediate effectiveness in clarifying and sanitizing the pool.
What buyers talk about most
+Strength : Treatment effectivenessThis shock chlorine in granular form allows you to quickly purify and recover pool water.