Amount of muriatic acid required (gal) = (1 * 40) / 75 = 0.53 gallon.

Muriatic acid hot tub calculator. As i mentioned above, you either add baking soda or muriatic acid to raise or lower your pool’s total alkalinity level. For example, using some pool math, we know going from a ph level of 7.9 to. The ph is up around 8.0, the ta is approximately 100ppm, the tub is 418 gallons.

When the ph is too high, it destabilizes the sanitizing. Otherwise, you will experience unbalanced alkaline levels that cause the water to be cloudy and create. It is important to use muriatic acid safely, as it can be corrosive and harmful to humans if not.

Instead of measuring by weight or volume, it’s easier to compare the two by the cost of ph reduction. Pool water ph is one of the best measures of balanced water. If the ph level is too low, it’s acidic and can leave damages to the surface of your tub.

Calculate what chemicals (and how much) to add. To calculate how much hydrochloric acid (muriatic acid) your swimming pool requires to decrease the total alkalinity, choose the reduction you want and enter the volume of your. The most accurate way to determine the volume of a hot tub, without fancy equipment, is by fill time.

Then you calculate the amount of muriatic acid to add to the pool to give you a 40 ppm decrease. Hot tub water chemistry ; Pool calculator presents all of the tools and data you need to keep your swimming pool and hot bathtub chemistry balanced and your water crystal clean.

By tomc, november 14, 2009 in. Total alkalinity, often called a buffer, helps in balancing the ph levels. First, using a stopwatch or wristwatch time how long it takes to.