This procedure can take anywhere from 1 week (for basic plaster surfaces) or up to 30 – 45 days (for dark-colored finishes). Don’t worry, you will not have to wait an entire month to swim in your new pool. Within about 1 – 2 weeks (depending on your choice of pool interior) you can dive in!

Does pool plaster change color as curing?

The installation of a new plaster surface causes fluctuations in the water chemistry. The alkalinity, pH and calcium levels will rise while the surface is curing. The new plaster is susceptible to staining and discoloration during the first four weeks.

How do you treat a newly plastered pool?

Brush the pool twice a day for the first two weeks. This opens the pores of the plaster to allow proper curing as well as removes any loose plaster dust from the surface. You may notice plaster dusting when you brush and the water becomes cloudy. This is normal and will go away with proper treatment and brushing.

Is it safe to swim in a newly plastered pool?

Do not swim in the pool until after the start-up procedure has been completed. Do not use any automatic pool cleaners for a minimum of three weeks after plastering.

How do you fix pool plaster discoloration?

Gray (or grey) mottled discoloration (also known as “water entrapment ” or “hydration”) is difficult to remove, may be remedied by acid washing, sanding, or torching the surface, but these processes are generally detrimental to a plaster finish and the discoloration often returns later.

How soon can you swim in a newly filled pool?

Wait about 20 minutes after adding balancing chemicals to your newly filled pool, and you should be good to swim. Calcium chloride – If you have hard water issues, it’s advised to wait about 2-4 hours before swimming after adding calcium chloride to soften your pool’s water—or until one filter cycle has been completed.

How do you smooth a new plaster pool?

You can often fix plaster spalling by sanding the area down to reveal a much smoother underlayer. If spalling has taken over a large area of your pool, it might be better to start fresh and have your entire pool replastered.

How long does it take for a new plaster finish on a pool?

Do’s and Don’ts for Your New Plaster Finish. The initial period of your pool ownership is the most critical. 60% of the curing or maturing process of a plaster finish occurs in the first 28 days and will continue over the next 8 to 10 months.

How long does it take for a plaster cure to cure?

There are specific “start up” procedures that need to be followed to ensure the plaster cures properly. These steps include filling the pool, turning on the filter system, checking the water chemistry and brushing the pool. During the first 4 weeks it is very important to keep the water balanced.

How long does it take for a new pool surface to cure?

Typically, pool plaster interior is hard on the surface within 24 hours, but takes up to 30 days to fully cure 100% through. For best results you should follow the NPC standards for swimming pool startup after installing a new interior surface.

How does curing plaster affect the pH of a pool?

Address the alkalinity first, the pH will follow. The curing plaster will drive the alkalinity and pH up rapidly within days causing the pool water to balance itself. This will require additional muriatic acid to prevent scaling. 5. The addition of muriatic acid will lower the alkalinity and pH at start-up.