It could be staining from corrosion of metals in the water due to a low pH. pH should be maintained between 7.2 and 7.6 at all times for hundreds of reasons, including to avoid staining, extend the life of interior finish, pool equipment, swim in comfort without burning eyes or itchy skin, and to optimize the effects of your sanitizer.
Hint: Make sure your test strips are within their expiration date, or bring a water sample to a pool supply store for a free test. If you do the latter, bring samples to several stores for second and third opinions if it is convenient. The reason for this is because it is their best interest to sell you as many chemicals as possible. You may have iron in the water especially if you are on well water.
No probably not - look for another source. perhaps iron in the fill water.
If you have hard water and a water softener it would be because there isn't enough salt in the softener.
cause someone peed in it
Adjust the alkilinitey to between 80 and 120 parts per million.
A hot tub is just that a tub of hot water thus, the need for a heater. To reek the benefits and pleasures of owning a hot tub a heater is an essential element to the experience.
A "hot tub" for more than one person is "Gemeinschaftswanne"A "hot tub" or "hot bath" for one person is "Heiße Badewanne"
i stored a vinyl hot tub in storage and now it has yellow and black mold stains on it. how do i remove the stains and smell?
The number of gallons of water a Cal Spa hot tub can hold varies. Each hot tub in this brand is a different size and therefore can hold different amounts of water.
A hot tub heat is transferred by convection. Most hot tubs use forced convection while the hot tub pump circulates the water.
run hot water and soap in the tub and scrub
If you heat it enough it will. However, in normal operation, a hot tub does not actually boil water; the bubbles are mainly air.
A Jacuzzi is a brand of hot tub which is so popular that many hot tubs of different brands are called Jacuzzi's. Typically, a Jacuzzi has jets of water or air. A hot tub usually does not have the jets, its just a tub of heater water.
Install anti-hammer arrestor in hot water line at tub. It should help.
The average-size hot tub holds approximately 475 gallons of water. The earliest known hot tubs were calderas. Hot stones were used to heat the water.
A hot tub is a small pool of hot water, usually bubbling. WIKIPEDIA states... A hot tub is a large home-made or manufactured tub or small pool full of heated water and used for soaking, relaxation, massage, or hydrotherapy. In most cases, they have jets for massage purposes. Hot tubs are usually located outdoors, and are often sheltered for protection from the elements, as well as for privacy.