Answer: How is someone suppose to help those aren't straight questions theres a whole other site you have to go to for that.
Normally you can't. You cannot tell if water has been frozen and then thawed.
Answer:
There are up to 12 lights and or plugs on that circuit. A 1000w HPS or Metal Halide light takes 9 amps at 120 volts so you can only run one on a wall outlet circuit. A standard dryer outlet is 220 volts and 30 amps so you can power up to six 1000 watt lights on that circuit.
