There are two ways to determine calcium carbonate saturation.
Marble test water treatment.
1 4 cup should be enough note the time that you placed the water on the counter and time the water to see how long it takes to absorb the granite will darken.
Water which is just saturated with calcium carbonate or which is slightly supersaturated with calcium carbonate is considered stable and safe to release into the distribution system.
Perform a simple water test to see if your granite countertops need to be sealed.
This same test needs to be conducted for petroleum or oil based products you may use on a regular basis.
Both the langelier index and the marble test are laboratory tests which can determine the degree of calcium carbonate saturation in the water at the treatment plant.
The results of darkened slab tells you that water based liquids can soak in damaging and staining your marble or granite.
Put a few drops of mineral oil or water on your counter and leave it for a few minutes 4 minutes for the water and 10 for the mineral oil.
In this condition it will neither dissolve nor deposit calcium carbonate.
To conduct this part of the test follow these steps.
Wipe up the liquid.
Years ago the marble test was used as a measure of a water balance.
Testing for oil based marble staining.
The marble test and the langelier index.
Pour a bit of water on the counter.
Water treatment review 46 calcium carbonate saturation water is considered stable when it is just saturated with calcium carbonate.