General Swimming Pool Advice

Published: 22nd October 2011
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How To Build A Block Liner Inground Swimming Pool

A pool is dug out either by a mechanical excavator or by hand, to the dimensions given in the All Swim construction guide. A concrete foundation 15" wide x 6" (380mm x 150mm deep) is laid around the perimeter of the pool on which the pool walls are built. The pool walls are made out of 18" x 9" x 4" (455 x 228 x 100mm) solid concrete blocks laid to a height of 36" (1.07m) for Hopper and Constant Slope pools (9 courses laid on their flat) and 42" (1.28m) for Constant Depth pools (11 courses laid on their flat). On completion of the walls they are rendered with a thin skim of sand/cement to present a smooth face to the liner. A special extrusion is fitted to the top of the wall into which the pool liner is clipped. A 2" (50 mm) layer of sand/cement is screeded to create the pool floor. When the pool shell is complete the liner is fitted and filling commenced. For further details on this method of construction consult our guide to liner pool construction.

Do I need Planning Permission For An Inground Swimming Pool In A Garden In The UK?

The majority of authorities do not insist on planning permission for the building of a private swimming pool in the back garden of a domestic property in the U.K. However, if you are thinking of erecting an enclosure over the pool, then permission is required and you are advised to consult your local authority before commencement. Even though planning permission is not normally required All Swim recommends that you contact your local authority before commencement of any work in order to check the requirements of local legislation.

How To Clean Green Swimming Pool Water

Is the water in your swimming pool green? Depending on weather conditions it can happen fast - almost overnight, your pool water can look clear one day and then green the next, the green colour is algae. Algae are microscopic plant life that get into pools by rain or are carried in by dust.
What you need to do to clear your green swimming pool water: Use your test kit to determine the pH level in your pool water. It should be between 7.2 and 7.6. If it is outside of that range add pH Up or pH Down to adjust the level. Scrub the sides and bottom of the pool with the brush to loosen any clinging algae. Add All Swim Shock Chlorine granules (Shock) to the pool. The amount of Chlorine you add will depend on the capacity of your pool (2 ounces per 1,000 gallons of pool water).Turn on your pump and run your system for a day allowing the Chlorinated water to circulate and get rid of the algae. Vacuum the white residue from the bottom of the pool the next day. The water should have cleared substantially, if it is still looking green repeat the "shock" process. Clean your filter to remove any alga residue. Rebalance your pool water.

How To Prevent Algae Forming

This can be done by maintaining the correct sanitizer levels and also by the addition of Kleen Pool, a copper based long life algicide which can help stop algae forming.
For more products and information, please visit http://www.allswimltd.com

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