Does black carbon silt coming from the filter in my ZeroWater pitcher contain any of the stuff it filtered out? [more inside]
What trick did the water sales person use today in my office? [more inside]
We are creating a tablet that purifies water and delivers a nutritious "juice". However we are designers, not chemists, and we need some basic guidance. Would it be problematic to combine chlorine (or preferably, a safer purification chemical) with a vitamin-based juice powder or liquid? Are there any health dangers to consider with this mixture? [more inside]
My humidifiers keep developing a brown muddle. How do I keep them clean? [more inside]
Calling water purification gurus! Help me with an off-the-grid water recyclin' shower! [more inside]
WaterFilter: I'm looking into water purification devices. I'm mostly trying to understand what might help with various kinds of contamination threats: What would I buy to safely drink from a mountain stream? Is there anything that can help with chemically poisoned waters if one were, say, trapped in New Orleans by Katrina? Radioactive fallout contamination? [more inside]
At some trade show recently, Whirlpool showed a prototype washer called BioLogic that ("if feasible") relies on hydroponic plants to purify and reuse the water [pdf, p17]. So, are there any users out there who go to Kitchen and Bath trade shows, and know more details about how this works? Alternate question for hydroponics enthusiasts: What kind of plants are those in the washer?