cj3737
0
There's clearly a good bit of progress made! Keep it up!!
I'd like you to also take a quick look at this article, Deep Cleaning a Sand Filter. With you just moving into the house you don't have the knowledge of just what all's hidden inside of that filter. A good "deep cleaning" of your filter is very likely long overdue. Read over the article and ask any questions you may have.
Also continue to maintain your FC level above 12ppm.
He popped the top a while back and looked inside... surprisingly clean