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All Shock is Not Created Equal – Part 1: Sodium Hypochlorite

Posted by E-Z Test Pool Supplies on May 16 2017

All Shock is Not Created Equal – Part 1: Sodium Hypochlorite

These days there are more options for pool owners when looking for a product to shock their pool. It can be downright confusing to the person who just wants to make sure the pool is safe and clean for the family, when presented with the many options for pool shock. Liquid or granular? Chlorine or non-chlorine? Calcium hypochlorite or di-chlor? Like many things today choices actually make it more confusing to know what to do. Add to that the options for where to buy your product – pool store, mass retailer, discount store – and your left scratching your head. This is the first article in a short series aimed at making sense of all these choices, so you can make educated purchases.

Let’s address liquid chlorine first. Generally liquid chlorine is sodium hypochlorite (a chlorine compound) dissolved in a solution of water. Because it is dissolved in water it typically has a 12½% active content. The advantage to liquid is that it is quickly available – as soon as you pour it into the pool. There’s no mixing with water, no brushing to dissolve chlorine sitting on your liner. This is particularly useful when trying to rid a pool of algae. You want something that will work quickly and effectively! For this reason liquid chlorine is your best alternative for combating active algae. Some people choose to do their routine shock with liquid due to ease – just pour and go.


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5 Gallon Liquid Shock - Sodium Hypochlorite

Liquid Shock – 5 Gallon Container
Availability: In-Store


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Super-Shock – Four 1 Gallon Bottles
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