davidkvm.blogg.se - How much muriatic acid to lower alkalinity in hot tub

The exact amount of sodium bisulfate your spa needs will differ each time you have to lower alkalinity levels.Īs a general rule, you’ll need to use 1/3-ounce (9.4g) of sodium bisulfate per 100 gallons (380 liters) of spa water. When sodium bisulfate is added to water, it increases the hydrogen concentration, lowering both the total alkalinity and the pH.

Pour the solution into the middle of your hot tub and allow it to circulate for four hours with the cover removed.

Add the sodium bisulfate to the bucket and stir until completely dissolved.

Fill a clean bucket 3/4 full with water drawn from the spa.

Follow the instructions on the bottle to calculate how much sodium bisulfate you’ll need.

Using your liquid test kit or test strips, take a reading of the current alkalinity level.

How to lower alkalinity using sodium bisulfate

Sodium bisulfate (AKA alkalinity & pH decreaser).There’s no need to buy both Alkalinity Decreaser and pH Decreaser because they’re the same thing.

Note: As well as lowering alkalinity, sodium bisulfate also lowers pH, which is why it’s also sold as pH Decreaser.