The down stem is the bridge between the bowl and the water in the main chamber of your bong. At the end closer to the joint, there should be a 10, 14 or 18mm sized hole. Down stems come in many ...

Fourteen of 103 water samples collected contained more than 15 parts per billion of lead, legally triggering the notification ...

If the water in your bong appears cloudy, murky, or has particles floating in it, that’s a clear sign it’s time to clean. ... Allow your bong and its parts to air-dry, ...

Key Background. A 2021 analysis by the NRDC found 56% of Americans (186 million people) drank water from drinking systems containing more than one part per billion of lead between 2018 and 2020 ...

Just this year, more than 52,000 fires destroyed more than 17,000 structures – many of them homes connected to water systems. Heat-damaged plastic pipes can continue to leach chemicals into ...