3 ms·
If the substance coming out of your water pipes was only 300 ppm water, you have issues. (ppm of what?)
by unethical_ban 5y ago
If the substance coming out of your water pipes was only 300 ppm water, you have issues.
(ppm of what?)
- willis936 5y agohttps://en.wikipedia.org/wiki/Total_dissolved_solids https://en.wikipedia.org/wiki/Total_dissolved_solids