Do you explode in space if you do not were your space helmet in space?

I have an above ground pool with a vinyl liner. What is the difference between using granular chlorine, granular calcium hypochlorite or the chlorine tabs? It is my second full year of use, last year I used granular chlorine, but am I paying too much?

I need step by step instruction on adding chemicals to a 36" high inflatable pool. I don't know where to start after filling the pool.

Recently my wife sprayed her hair with Aqua Net unsented hair spray extra super hold. She was unaware that our dog was in the bathroom with her. The spray got into the dogs nose and it started caughing and gaging. Within 10 minutes the dog started seizing and convulsing. The spray contains the...