Two unrelated questions here:
1. I have a weather website and I would like to add the pool temperature. I can add a temp sensor to the weather station (Davis VP2) for about $130 which is a bit more than I would like to spend. Does anyone know of any options that cost less?
2. I have a 30' above ground pool. When installing the liner, they put a 45 degree slope (about 6') made of sand where the bottom and the sides of the pool meet. My understanding is that this is a major stress point where the weight/pressure of the water needs to be dispersed. The issue here is that moles are tunneling under the pool. they have moved the sand out of this area in many places and the liner has stretched to fill in the holes/tunnels. Has any one else had this issue? Is this something that should be worried about? Other than replacing the liner, any ideas on how to fix it? Should I just wait and see what happens?