Low side pressure dropping

[parrishcc]

First off, I know I should have a dual gauge for proper diagnosis; however, I only have a low pressure side gauge. That being said, my car (2008 Escape) is blowing cool, but not as well as previous years. Put the gauge on and it was a little below the optimum range so I started charging, but as I do the gauge is going down instead of up. At this point I stopped. Connection is good and the freon is moving into the system. Any suggestions on what is happening? Thanks.

[Cusser]

I only have a low pressure side gauge.

Don't do more until you buy real gauge set or get Autozone loaner.

I sure hope that you didn't add refrigerant that contained SEALANT !