1. Can we use sewage or waste water to produce energy for its own filtration?
2. What is the ocean waters' original pH?
Since every liquid has a certain type of pH, I wonder was is the ocean water's pH. it contains a lot of sodium, so I wonder if it is acidic or basic.
3. If people are not sure about the Toilet to Tap proposition what other alternatives are there?
Plastic water bottles are very hurtful to the environment, instead of drinking and using that water, we have the Toilet to Tap idea, which many people don't agree with. are there any more alternatives to drinking water.
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