Zinc Anode

clock June 14, 2016 07:00 by author medallionpools |

The in-line zinc anode is attached to the bonding wire, thereby protecting all metal parts (heaters, lights, rails, etc.) from galvanic corrosion. Zinc anodes will sacrifice themselves and corrode before all other metals in the pool. Zinc anodes need to be replaced approximately every 4-5 years on average.  Many factors can affect how quickly it will need to be replaced.  We have encountered some pools where the zinc anode had to be replaced every year.

Any time you have different metals (copper, stainless steel, etc.) in a salt water pool, you create a battery. Some amount of current flows between the metals. The electrons that make up the current are supplied by one of the metals, giving up bits of itself in the form of metal ions to the pool water. This is called galvanic corrosion. Galvanic corrosion causes plaster discoloration and metal erosion. The best way to inhibit the effect of galvanic corrosion is to use a zinc anode. Zinc is a metal that gives up its metal ions faster than other metals in the pool. In other words, the zinc anode will erode instead of other metals (pool light, rails, heater, light niche, ladder, etc.). The zinc ions will not discolor the pool plaster. The zinc anode should be replaced after half of it has eroded.

Galvanic corrosion can also occur pools that do not use salt water. Any stray electrical current around the pool area can cause it. Also, many localities are now requiring that the pool water be bonded. The inline zinc anode also performs this function.

This article is courtesy of the Pool Tool Company (www.pooltool.com). Here is a link to their zinc anode brochure (http://pooltool.com/images/catalog/brochurePrint.zip )



Automatic Pool Vacuums – Suction Vs. Robotic

clock June 9, 2016 07:00 by author medallionpools |

Now that you have made the decision to get a automatic pool cleaner, what unit do you purchase? This will depend on what type of pool you have. Cleaners are designed for above ground pools, inground pools with flat bottoms and hopper (part of pool is deeper). Make sure you purchase the correct unit for your pool.

The suction cleaner has sections of hose you attach together, fill it with water and then install into your skimmer. This type of unit will move around your pool cleaning the floor and (in many cases) the walls. After your pool has been cleaned, you will turn the pump off and backwash the filter to get the dirt and debris you vacuumed out of the filter. This will cause some loss of water in your pool.

The robotic cleaner will not have any hose to attach or the need to fill the hose with water. This unit you will place in your pool and what it picks up will go into the unit itself, usually stored in a mesh bag. When you are finished cleaning your pool, you will remove this unit and empty the container inside the unit of what you have cleaned. This unit will have neither water loss nor the need to backwash your filter.

Both types of units will do a very good job. Discuss the various units with your local pool dealer to learn about your options and what unit will be the best for you to use for your pool. Make sure your pool dealer knows if you have an above ground pool, an inground pool, a flat bottom, or deep end.



Swimming Pool Coping

clock June 7, 2016 07:00 by author medallionpools |

We will discuss three types of coping (or bead receiver) options for the customer that will be purchasing a Vinyl Liner Swimming Pool:

1. Receptor Coping

2. Side Mount Coping

3. Top Mount Coping

Receptor Coping mounts on top of your pool wall and is used when concrete will be poured around the pool. This type of coping is the receiver that the concrete will be poured into and you will see a white edge around your pool. The liner will snap in place on the water side and can easily be changed with this type of coping without breaking any pool deck.

Side Mount Coping is used when a row of wood, brick or stone is used to mount directly on the top of the pool wall. This type of coping will show no white edge around the pool. The liner can easily be changed with out removing any wood, brick or stone.

Top Mount Coping is used when you want to pour a Cantilever pool deck. This type of deck will give you a rounded look at the water edge and you will not see a white edge around your pool. Cantilever coping forms will also be used. These are made from Styrofoam and you pour your concrete into them. They are then removed giving you that rounded edge look. The liner is easily changed with this type of coping.



Alternatives To The Standard White Stairs

clock June 2, 2016 07:00 by author medallionpools |

Have you been thinking about installing your own pool after maybe swimming in your neighbors pool but would like to make some changes? If you were in a vinyl liner pool, maybe you did not like the white walk in step.

With technology today, you can use a stair that does not have to be white. The thermoformed stairs themselves are now also available in blue and gray as well as the traditional white.

For the entry way into your pool, you could add a step that would fit into one of the two shallow end corners and would be covered by your liner. The step would blend in with your liner pattern. You can even have a step made that will fit the width of your pool and be covered with your liner pattern.

The top of this entry way step, you could have a lounger area (water maybe 4” deep). From this lounger area, you would then walk down the steps into your pool. This entry way step and lounger area would be covered with a liner. No where would a white step be visible. You could even add a bench in the deep end to sit on which would be covered by your liner pattern.

A 6’ cove seat is also available through your Medallion dealer. This takes the place of an 8’ pool wall and offers a semi-circular seating area that extends out from the pool approximately 4-1/2’. Your liner would cover this area as well. Jets can easily be added to this area as well.

Contact your Medallion pool dealer for more information on all of these options.



My Swimming Pool Never Gets A Chlorine Reading

clock May 31, 2016 10:30 by author medallionpools |

In order to answer why, these are some basic questions that must be answered.

1. If you have a sand filter, when was the last time you either cleaned or changed the sand?

2. If you use chlorine tablets, do you use the 3” or 1” size?

3. How many hours a day to run your pump?

4. What is the level of Stabilizer in your pool water?

If you have a sand filter, you should clean the sand at least once each season and change the sand about every three to five years as long as you are cleaning the sand each season. Oils from your body, sweat, suntan lotion all get inside your filter and make the sand less effective. You need a chemical to break up these containments and make your filter more effective.

With the use of chlorine tablets, if you use the 3” size, they may not be dissolving quickly enough to meet your pool’s chlorine demand. You may also have a very low stabilizer reading. Chlorine tablets have stabilizer built into them but they need to dissolve quickly enough in order for the stabilizer level in your pool to be above 40. If below that, the sun will take out the chlorine almost as soon as you get it into the pool.

In the very hot summer months, your pump needs to run 24 hrs a day 7 days a week. You can’t run the pump only at night or only during the day and keep the proper chlorine level in your pool. You will spend more money on chemicals to control algae and acid levels than you will with energy. A good test kit is a must. Try the five way test strips.Please keep in mind that this is just a generic overview of a few of the main causes of low chlorine problems. Before adding any chemicals to your pool be sure to have your water properly tested then read and follow the instructions printed on the labels. Always remember “Safety First” when dealing with chemicals.