4 ms·
Maybe they have a lot Brita filters? Those don't use (liquid) chemicals, although they're activated charcoal which is carbon, and carbon is a chemical element.
by bellyfullofbac 5y ago
Maybe they have a lot Brita filters? Those don't use (liquid) chemicals, although they're activated charcoal which is carbon, and carbon is a chemical element. Insert the Batman slap meme here for people who use the word "chemicals" when they mean harmful or artificial chemicals.
A quick google says lava rocks also filter water.
I wonder why they chose that inconvenient shape, a square would take the same length of sides to make, it would just need a wider floor, and it would be able to contain more people.
- renewiltord 5y agoMaybe that’s it. Greater wall surface area for lower pool volume means that the filters can be less efficient.
- opwieurposiu 5y agoBrita filters might actually work. The outside surface of the pool could be studded with around 9000 screw threads onto which screw brita filters. That's one filter per square foot. Now we just need to pump some water out of the pool to lower the water level inside and water will flow through the filters from the dirty side to the clean side. The pumping could be done the conventional way with electric motors, or you could rig up something clever with one way valves that lets the wave action do the pumping. You would need divers to replace the filters on a regular basis, but with a low enough flow per filter they could last a long time. The main problem would be biofouling of the filters, but a clever filter design might actually use the biofilms as part of the filtration medium.
- lotsofpulp 5y ago> artificial chemicals What is the distinction between an artificial and non-artificial chemical?
- lbhdc 5y agoNot op, but I assume op means chemicals that are refined from naturally occurring material or synthesized from other synthesized or naturally occurring materials.
- deleted 5y ago[deleted]