Readings are still remaining more or less stable with trace dosing only. Made some changes though.
As stated in the last post WC was preformed on both tanks last week. Along with that I grew tired of the BBA issue fringing leaves in the 75R and double dosed tank volume with excel via syringe directly to the java fern leaves. Java is fine.

The chain swords are history.

Been here done this before so it was no surprise.) Any BBA on other plants was manually removed as possible.
Tested today the tank showed PO4 @ 2ppm and I'm thinking the organic decay may be contributing.
The Excel was added 7/19/09 and the UV unit shut down. The UV unit was relit today. Both tanks are showing a tested decrease in KH values which was addressed with NaHCO3.
Continuing into week #4 dosing trace mix only.