Lesson 4 - Water Quality and Treatment

[@tunmisemichael9711]

Really helpful Dr. Ray, the speech is a bit speed. Thank you.

[@alhajikamara9099]

Good afternoon Dr please help me with the different categories of water parameters that is physical,chemical and biological

[@paulcabuguason2546]

Very helpful. Thanks

[@elvispressedtalot9899]

I have a question!
If a water treatment plant ! Has nice numbers.
But. When you pour hotwater into a milk container ! And the water starts to fizzle ! After it sitting still for 20 seconds.!!

[@paganizondasroadster1660]

Good job well done. Thank you.

[@emadmoradi8021]

very helpful, thank you!

[@AlphaKoroma-mw6op]

I love this class

[@mwabachinsempe1906]

Thank you