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There's no match for knowing exactly how much water a pool contains, including the plumbing system. So in this article, we're going to make the case for using a water flow meter when filling (or refilling) a swimming pool.
A "hot start" is a method for starting up a new or resurfaced pool using a lot of acid. It is extremely aggressive–by design–so it etches calcium off the surface, hopefully evenly. The objective of a hot start is to "burn up" plaster dust and any imperfections left behind by the plaster application process, so that the customer is left with a beautiful looking pool. A hot start may also be called a "zero alkalinity startup" or an "acid startup". This article will discuss what hot starts are, why they are used, how they are done, and the chemistry behind the process.
Calcium hardness is one of the most important factors in water chemistry, and swimming pool chemistry especially. It is one of the six LSI factors, and because it does not fluctuate much, we love using calcium hardness as a foundation for water balance. Let's discuss why.