Sep 16, 2017 · 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 …

Jul 21, 2022 · I've been replacing the lights in my pool, taking out the old incandescent bulbs and adding LEDs. I have 3 lights total, 2 in pool and one in attached spa. I replaced the 2 pool lights and they …

Dec 13, 2025 · Algae - Prevention and Treatment New Treat and prevent all types of swimming pool algae - green, yellow, mustard - we're here to help you clear up your green pool water!

Sep 21, 2025 · Special issues with operating and maintaining both permanent and seasonal above ground pools.

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

Sep 8, 2023 · Calcium Hypochlorite (Cal-Hypo) is a granular form of chlorine that adds both chlorine and calcium to your pool. For every one part per million Free Chlorine that is added using Cal-Hypo …

Jul 8, 2025 · Water Testing Instructions For kits using Taylor reagents, e.g. K-2006 or TF100, based on posts to TroubleFreePool.com. [1]

Jul 5, 2011 · Simple Scoop by Pool Day is a community discussion on pool maintenance, tips, and experiences for trouble-free pool ownership.

Dec 31, 2024 · Gravel for Drainage Around a Pool If a concrete pool, put perforated rigid pipe around the base and backfill with clean gravel, then drop to a 10" sump pit and pipe it underground.

Jul 27, 2025 · How Important is Free Chlorine in Pool Water? Maintaining an appropriate FC level is the most important part of keeping your water clear and sanitary. Free chlorine is the primary sanitizer …