Saturday, October 29, 2011

AutoPilot SC-36 Super Cell-36, 5-Blade Replacement Cell Only

!±8± AutoPilot SC-36 Super Cell-36, 5-Blade Replacement Cell Only


Rate : | Price : $309.16 | Post Date : Oct 29, 2011 07:54:17
Usually ships in 24 hours

Replacement Cell w/ Unions for SC36 Salt Water Chlorinator.

NOTE: INCLUDES THE REPLACEMENT CELL ONLY.

NOTE: THIS PRODUCT TAKES 1-2 WEEKS TO SHIP.

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Monday, October 24, 2011

A Word About Water Chemistry

!±8± A Word About Water Chemistry

Balance.

That's the word we'd use if we had to pick one word about the importance of water chemistry. Balancing the pH levels and chemical levels in your in ground or above ground swimming pool is not a time consuming process-but an important part of routine maintenance for your pool's most vital component-its water.

There are water standards set by your pool manufacturer, along with detailed instructions both with the pool and with the water additives you use to balance your water chemistry. These instructions are there for the safety of your swimmers, and need to be followed both rigidly and regularly to achieve best quality water balance.

Testing kits are an economical way to check the balance of your chemicals in your swimming pool, allowing you to use a small amount of the pool water to test the whole volume of the pool. A pH level (acidity/alakalinity) that's too high might reduce the effectiveness of a sanitizing agent like chlorine, while a low pH level can cause discomfort to bathers.

Sanitizing agents deter the growth of bacteria and algae in the water-but sometimes a chemical additive like chlorine can be irritating. Be sure to investigate the option of an automatic chlorine generator as an addition to your water balancing system.

Traditionally, chlorine generators (such as the AutoPilot system from Kayak Pools Midwest) are integrated into your existing pump system, and operate whenever the pump is on. Ordinary salt (sodium chloride) is added to the swimming pool. The salt circulates through the generator and is broken down through a process called electrolysis-instantly creating chorine that is pumped back into the swimming pool water. The chlorine in water eventually turns back into salt, and is reprocessed again and again.

This process maintains a constant, low level of chlorine and salt water in the swimming pool at all times-preventing the growth of algae. Typically, the level of salt water in parts per million is so low that it's virtually unnoticeable, and gives swimmers the added benefit of swimming pool water that irritates the eyes less, won't fade swimwear or interact with hair coloring, and generally feels better on the skin-with no residual flaky residue or itchiness often associated with a chemically chlorinated pool.

There are simple considerations to make when approaching your above ground swimming pool water chemistry-none more important than following manufacturer's instructions, and remembering that single, all-important word, balance.


A Word About Water Chemistry

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Saturday, October 22, 2011

Edible Home School Science Experiment - Homemade Ice Cream

!±8± Edible Home School Science Experiment - Homemade Ice Cream

It's a warm day, and you would like to take your kids out on a picnic. How about converting a homeschool science experiment into an ice cream making session? Amaze your kids by showing them that with their help, you can make ice cream for them, and that too at their favorite picnic spot.

You will need to do some preparations the previous night or an hour before you set off for the picnic. Boil a mixture of one cup of milk with half a cup of sugar and a pinch of salt in a boiling water bath. Add three beaten egg yolks to the mixture and stir till you get a thick custard-like mixture that coats the spoon. Cool it and add vanilla essence and about two cups of heavy whipping cream and stir. Pour the mixture in 3 to 4 small zip-lock bags, each enough to make one serving. It is preferable to secure this bag with another zip-lock bag. Now put the zip-lock bags with the mixture in an ice chest full of ice. You can now put the ice chest in your car as you travel to your favorite picnic spot. It is very essential that the ice does not melt on the way for your home school science experiment to be a success.

At the picnic table you can put each zip-lock bag into a larger zip-lock bag that is half filled with ice. Sprinkle some salt over the ice and seal the large bag. Do this with all the smaller bags containing the ice cream mixture. Adding a little water to the ice will help enhance the process. Have as many such bags as many kids there are. Hand over one such bag to each kid and ask the kids to squish and shake the bags. Maybe they can toss them up and catch them. The more they squish and shake the bags the faster will the mixture turn into ice cream. Let them have fun with the bags for ten minutes. You can allow another five minutes of shaking, shaking and shaking!

Then ask each kid to bring their ice cream pack to you for examining. Open each bag, and voila! Ice cream's ready! Once done, let them enjoy their frozen treat! Isn't this a fun home school science activity? How did the liquid mixture turn into ice cream? And that too, quicker than it would take in a refrigerator? The very first thing to remember is that you have divided the mixture into smaller bags and not into one container as you would do in a refrigerator. Without salt, when ice melts (at 0 degree Celsius or 32 degrees Fahrenheit), it turns into water by absorbing some heat from the atmosphere. At the same time the water gives out heat and refreezes into ice. This is called a state of equilibrium. The mixture requires a temperature less than 0 degree Celsius in order to make ice cream.

Salt breaks this equilibrium by changing the make-up of the ice and the water. Now the ice melts, but the water does not refreeze into ice since it now requires a temperature less than 0 degrees Celsius to refreeze. The ice now gets no heat to melt, and therefore draws heat from the mixture, making the ice cream mixture even colder.

Furthermore, salt (sodium chloride) splits up in the water into charged particles of sodium and chlorine. The whole mixture of ice, water and salt now becomes a special compound that freezes at a temperature of -21.1 degrees Celsius or -6 degrees Fahrenheit. Therefore the liquid ice cream mixture becomes a frozen paste. To get more great science experiments and activities visit the free "Home school Parent's Guide to Teaching Science" at the link below.


Edible Home School Science Experiment - Homemade Ice Cream

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