History. Narrative Essay Examples In a narrative essay you tell a story, but you also make a point. So, it is like a story told for a reason. Narrative Essays: To Tell a Story There are four types of essays : â¢Exposition-gives information about various topics to the reader. â¢Description...
As a minimum, the average pool will want to keep the following chemicals on hand â even if you use a salt chlorinator, you will need these other pool chemicals from time to time: 1  Chlorine tablets and pool shock. 2  Pool pH Up and/or pH Down. 3  Test strips or test kit.
Granular chlorine can be broadcast over the pool water or added through the skimmer. Chlorine is an important pool additive because it destroys bacteria and pathogens. It's available in four forms: tablets, sticks, granules and liquid. Granular chlorine can be applied by broadcasting over the pool or adding it to the skimmer.