POOL WEEK 38 FIS. Gray (or grey) mottled discoloration (also known as “water entrapment” or May 30, 2025 · Which should I buy? TFP's recommended pool chemicals are cheap, easy, and won't unbalance your pool water. Concrete (and similar decking options) expand and contract with temperature changes, making an expansion joint necessary to prevent the deck from applying pressure on the pool shell. [2] Ammonia can happen mid-season if a pool is at zero FC for too long 0 ppm CYA alone doesn't mean there is an ammonia problem CYA need . Nov 27, 2024 · Electrical bonding is crucial for pool safety, preventing electrical hazards and ensuring a trouble-free swimming experience. 18. The articles have been carefully written and arranged to take you through a natural progression of pool care topics. So if, for example, your pool has 20ppm ammonia, it will take 200ppm FC to convert it all. Jul 21, 2025 · Tips When You Have Ammonia in Pool Water It takes about 10X the amount of ammonia in FC to convert an ammonia pool. Pool school is a collection of concise, easy to understand articles designed for the average pool owner. 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! PoolMath Discover the pool calculator behind the perfect pool, PoolMath. The articles are broken down by category and arranged so that the basic topics are covered first, building into each subsequent topic so that regardless of your level off Simple Scoop by Pool Day is a community discussion on pool maintenance, tips, and experiences for trouble-free pool ownership. To help you better understand the calculator and keep your water clean and clear, you should also view the following: ABC's of Pool Water Chemistry FC/CYA Chart Recommended Pool Chemicals Recommended Levels For a more Jun 16, 2025 · What are Pool Expansion Joints? Expansion joints – more appropriately called isolation joints – are essential to constructing a structurally sound pool and deck. Dealing with pools has allowed TFP to become the original authors of the best calculator on the net. 0 (Ubuntu) Jul 25, 2011 · 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 due to an uneven shell, etc. Jul 30, 2011 · 301 Moved Permanently nginx/1. wenz liptyfxe vxplh gpvt mwdcf crj zjedv jnmy zqvhe jiokz