Q: What chemicals can be poured down the drain?
A: The best “rule of thumb” is not to pour any chemicals down the drain. Pouring chemicals down the drain is quickly becoming a thing of the past, what you were allowed to sewer yesterday you can’t today. With the Clean Water Act, Mercury Reduction Act, ever changing EPA regulations and Global Warming issues it is better to get in the habit of reducing the use of chemicals as much as possible and capture what chemicals you are using and have it remove by a service. Do not pour it down the drain even if you use a neutralizer!