I hope you do not mind the private message. Thank you for taking the time to read and answer my questions. I am still 99.9 percent novice but learning, even at the age of 67. You use the term "spot" dosing with excel. Does that mean dosing the tank on a one time basis or somehow squirting the infected areas submerged in the tank with a spray somehow?
Thanks again for any and all advice and suggestions. They are appreciated.
Lifetime Charter Member