Question

D. How doce the pool known that the shake a
not harmful​

Answer 1

Answer:

How doce the pool known that the shake a

not harmful

Then you've got your white and pink slimy molds, which can clog the filter, reducing its performance and leading to — you guessed it — more bacteria. Water can turn green in just a couple of days if you don't maintain the proper chemical balance in the pool.