Your numbers don't look too bad currently, do you have a pressurized
filter
by chance? If you do, they eat KH like crazy and baking soda will have to
added often, you'll just have to figure out the rythmn so you're not
bouncing the pH when you add it.

yes , running a foam 4 chamber pre-filter,,,, into a sand filter,, & then a
bio filter attached


Do you currently have salt in the pond to detox the nitrite? ~ jan


yup
(had that listed)

0.11% salt