Pool School Learn the basics of pool maintenance and pool water chemistry to get started maintaining your own pool or hot tub.

PoolMath Discover the pool calculator behind the perfect pool, PoolMath. Dealing with pools has allowed TFP to become the original authors of the best calculator on the net. To help you better understand …

Oct 10, 2025 · If you are a new pool owner, or just new to the forum, this is great place to start learning about basic pool care and maintenance

Jun 19, 2021 · Plaster Discolorations – New white pool plaster can discolor (darken or turn gray) from adding excessive calcium chloride set accelerator, from late hard troweling, from thin and thick areas …

Nov 7, 2024 · Swimming Pool Test Kits Compared Should I use pool store water testing? No, you should save yourself the time and effort of taking water samples to the pool store by performing your own …

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Pool-grade diatomaceous earth (DE) is a specific type of DE that has been heat-treated and activated for use in swimming pool filters. This process, known as calcination, hardens the diatom …

Jan 18, 2019 · Which should I buy? TFP's recommended pool chemicals are cheap, easy, and won't unbalance your pool water.

Dec 12, 2018 · Learn the basics of pool chemistry - chlorine, pH, alkalinity, stabilizer, and hardness - to keep your pool water clean, clear, and perfectly balanced.

Apr 27, 2013 · OK here goes. My pool originally had a small, fiberglass type water fall 5' wide by 3' long by 3' tall. 1 1/2" plumbing was installed tied to a separate pump. Behind my pool is a 7' retaining wall. …