Q: Will RYDLYME Marine corrode my gaskets, seals, plastic or rubber? A: No. RYDLYME Marine will not corrode or ruin gaskets, seals, plastic, or even cork, Teflon, packing or rubber. Furthermore, it will not dry them out or make them brittle. Q: Are there any metals that are not compatible with RYDLYME Marine? A: The only metals to be concerned with is galvanized/zinc, magnesium and some aluminum. If the aluminum is designed for use in a water system, which most marine equipment is, the alloy should be compatible with the RYDLYME Marine solution. Any zinc/magnesium anodes need to be removed prior to the cleaning and replaced after the cleaning is completed. For more information (click here).. Q: Should you use RYDLYME Marine at full concentration? A: You may, but it is not necessary. It depends on the amount of scale buildup. If there is a lot of build up, use approximately 50% product and 50% water. If there is only a small amount of scale, use approximately 25% product and 75% water. Q: Can I reuse the product? A: We do not recommend you reuse the product. If you do, the product will not be as effective. By in large, our quotations are based on a one time usage. Q: Can RYDLYME Marine damage fiberglass or paint? A: No. RYDLYME Marine is safe and will not corrode fiberglass or paint. Q: How do I use RYDLYME Marine? A: Please go to our application page and click on the application to give you directions. If your application has no directions, call us at 800-451-6291 for specific instructions. Q: How do I know if the product is still working? A: Drop a seashell in the RYDLYME Marine. If no foaming or bubbling is observed, then the RYDLYME Marine is completely depleted.