Usage Notes. Many authors of usage guides, editors, teachers, and others feel strongly that such âabsoluteâ words as complete, equal, perfect, and especially unique cannot be compared because of their âmeaningâ: a word that denotes an absolute condition cannot be described as denoting more or less than that absolute condition.
A solar blanket or solar pool cover gives you free heat from the sun. They are somewhat similar to bubble wrap (only made with more durable material). You can buy this in big sheets that you cut yourself to fit your pool. These are definitely the most economical way to raise the temperature of your pool.
How to Warm Your Pool with a Solar Cover. Solar Power Your Home For Dummies, 2nd Edition. The cheapest and most effective solar-heating system for your swimming pool is a solar cover. You can get one for around $0.30 a square foot, so covering an average size pool costs about $130.