I may desire this pond to have more than 12" clarity with a prettier blue-green color but do I need it?
June 2 photo: Noon
[Linked Image from i.imgur.com]

I'm thinking the pond may be just fine given the water chemistry results, the apparent health of the fish and the information I am reading about diatoms. The photos of the Diatom blooms on p. 17 of this Field Guide from Kentucky look identical to what I am seeing on my pond.

The information in this Kentucky booklet titled The Good, the Bad & the Managed: How to Identify and Manage Algae Scums in Agricultural and Residential Ponds may also be of interest to others.
"The Good, The Bad & The Managed: How to Identify... "

I will continue to welcome input but am taking a pause in my active management efforts to see what happens with this potential diatom bloom. I am so tempted to unpack my microscope and will return with photos and information if I succumb to the desire.