Tag: clean water
-
Fish Water?
When I visited the famed underground cistern of Istanbul, which once provided a constant water supply for a massive palace, I noted that fish swam around in the water to “reduce bacteria”. Fish owners often use algae eating fish such as pleckos to keep tanks clean. However, the fish used in the cistern were massive fish that […]
-
Kataka Seed
Kataka Seed. What is it? It comes from the Clearing Nut Tree and is sometimes used in India as a coagulant. What does that all mean? Coagulation can be compared to ion solvation in water. Essentially, the coagulant will bond to the suspended particles in the water that cause it to be muddy, and settle out the particles at the […]
definearth 