Complete List of Self-Employed Expenses and Tax Deductions. Self-employed professionals face unique challenges when tax season comes around. But becauseâ¦ Read more 7 min read
As to the advantages and disadvantages of the different densities, at its most basic level, the softer the pool cue tip, the more likely it is to mushroom or flatten out with each hit of the cue ball. What this means is that a soft tip will require more maintenance than a harder tip.
Pool water problem - calcium hardness. Total hardness in swimming pools is a measure of all the dissolved minerals such as calcium, magnesium and sodium. For practical purposes we usually use calcium hardness as a reference in pool water chemistry. The recommended level for calcium hardness is 200 - 400 ppm, and both high and low levels result in swimming pool problems.