Jack's Magic Products JMCOPPER5 Stain Solution #2 The Copper & Scale Stuff

**** The JMCOPPER5 Stain Solution #2 by Jack's Magic has garnered a mix of praise and criticism from users, revealing a complex customer experience that highlights the product's efficacy and potential pitfalls. Many customers have reported successful results in treating copper and blue stains in various pool types, including fiberglass and vinyl. The solution is particularly noted for its effectiveness in addressing copper stains originating from heater cores and has been deemed the "greatest product" for such issues. However, the product does come with caveats. While it successfully removes certain stains, some users have experienced significant issues with water quality post-treatment. One user reported that while the brown stains were effectively treated, the introduction of nitrogen led to binding up chlorine levels, resulting in algae growth and necessitating costly remediation measures, including multiple drain and refill cycles. This starkly contrasts with other users who appreciated its performance when applied as a spot treatment. Customers have also noted the presence of residue left in their filters and the overall water quality becoming cloudy post-application. Additionally, some users have expressed disappointment that the product did not fully eliminate stains outside the targeted areas of application, questioning its overall effectiveness in treating widespread stain issues comprehensively. In summary, Jack's Magic JMCOPPER5 Stain Solution #2 is viewed as a potent stain remover for specific types of stains, especially copper, but users should approach it with caution due to the potential for subsequent water balance issues and the associated costs of remediation. **Pros and Cons:** **