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Green stains (copper color) that cannot be removed indicate you might have a pH problem.

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17y ago

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Why does ceramic slip stick to plaster mold?

The plaster mold is very, very dry. When you pour, the clay slip is mostly water and the plaster mold sucks up the moisture quickly, creating a coating inside the mold. It's like pouring gravy onto a sponge...the water is absorbed, but the solids stay on top of the sponge if you leave it long enough. It's the same way with a plaster mold..it's a sponge. That's the reason you watch the pour opening and pour out the excess when it is the thickness you need. The plaster will continue to absorb until the clay pulls away from the mold naturally, yet it is still green.


How do you clean green algae off the bottom of an inflatable plastic children's pool?

What is the best way to remove algae stains from the pool liner?Empty the pool, use a soft brush, mild detergent and water to remove algae stains from the pool liner. Thoroughly rinse and dry before refilling or storage. http://www.air-inflatablepools.com


What colour is planet earth?

The dominant color when viewed from space is dark blue, although brown and green and white are also prevelant.that is correct and i think you must be smart so yep


What kind of questions does a go green quiz have?

probably stuff like: 1. What do you think would help the envierment?


What colour do you get when you mix indigo and green?

When you mix indigo and green, you would typically get a shade of blue. Indigo is a deep blue-purple color, and when combined with green, which is a primary color, the result is a secondary color that leans towards the blue spectrum. The exact shade of blue would depend on the specific shades and proportions of the indigo and green being mixed.