In short, THC does not harm your body, the smoke which carries it does. To much of anything can be bad for you. With a few tries, each time i had bad side-affects when trying it. Most of THC's affects are caused bye what it does to your nervous system.
What it is: Generally, a vinyl liner pool will cost the least of in-ground pools to install, as itâs a less expensive material and not permanent. Installed cost: From roughly $10,000 to $25,000. Costhelper.com lists prices from $15,000 to $25,000. Upkeep: Compared to a fiberglass pool, experts say a vinyl liner pool requires more maintenance and chemicals, does not have the same aesthetic appeal and will need to be replaced multiple times (each costs about $4,000).
If you're looking to build and maintain, your building cost could be in the 500,000+ range, not including the facilities to go with your pool. (USA swimming advises that cost is around $180 per square foot. So figure up how many lanes you want and go from there) Once you get it built, if you keep it covered, go ahead and add the cost of an architectural membrane, and then figure up the cost of filtration in your area.