There’s an autumn chill in the air, which means it’s time to close the pool for the winter. And while in-ground pools and many above-ground ones don’t need to be drained, they should be ...

Using a pool thermometer can help determine the water’s temperature, but without knowing what the ideal pool temperature ... of varying age and activity levels in the pool, then it’s ...

The same thing can happen when there’s too much alkalinity or too high a pH level ... imbalanced pool water, both of which aren’t unsafe per se but are certainly not ideal.

Using a pool thermometer can help determine the water’s temperature, but without knowing what the ideal pool temperature is, the reading will be about as useful as an educated guess. Outside of ...

When an acid is added to an alkali the pH of the acid increases towards 7 and the pH of the alkali decreases towards 7.

pH is a measure of how acidic or alkaline a solution is. The diagram below shows what happens to an enzyme when denaturation occurs. Each enzyme has an optimum pH but it also has a working range ...

With innumerable options available in the vast sea of pool maintenance, zeroing in on the ideal pool cleaner for your home can be confusing. While many promise excellent cleaning and fancy ...

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Sephadex G-50 and Bio-Gel P-60 are ideal for purifying DNA larger than 80 nucleotides in length. Smaller molecules are retained in the pores of the gel, whereas the larger DNA is excluded and ...

Read on to see which sites earned our top rankings, as well as advice about what to look for when it comes to online dating, ...

CNN: What is the “submerged” couple? Nasserzadeh: In this type of couple, the partners have very low levels of autonomy and identify as one half of a couple. They tend to have a less developed ...