1 4 cup should be enough.
Lemon juice test for granite.
Sealing will not prevent.
Line them up on a table or countertop dust them thoroughly then spill a few drops of lemon juice and cooking oil on each one of them.
This granite is mixed with calcite or other acid sensitive minerals and maintenance will be a nightmare.
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.
Collect a sample of any stone you are considering.
Pour a bit of water on the counter.
The kitchen is not where you want to have a porous and acid sensitive surface.
There are 2 ways to test a granite countertop or any stone countertop for absorbency and also determine if the stone is mixed with calcite or other minerals that are sensitive to acidic spills.
If calcite is present in excess amount then lemon juice droplets leaves white stain on top of kitchen granite surface it will indicate granite is not of high quality.
The lemon juice and oil test will help you determine the suitability of any stone you are considering.
Approval of material granite slabs should be done by carrying out laboratory test in the laboratory.
If you notice dull spots where the lemon juice hit the surface you do not want this granite for your kitchen counter tops.
Cooking oil coffee sliced fruit e g.
Collect a sample of any stone you are considering.
Above are basically field test to find out the granite quality.
Perform a simple water test to see if your granite countertops need to be sealed.
The lemon juice and oil test will help you determine the suitability of any stone you are considering.
The lemon juice test is a simple but effective way to test a stone for porosity and acid sensitivity.
The lemon and water test is a great simple way of finding out how your granite countertop will react to different stains and cleaning solutions.
And some granite may not be true granite but a mutt stone that maybe is mixed with calcite like marble and the surface will corrode or etch when exposed to acids like lemon juice coffee alcohol salad dressing etc.
Having the smallest amount of calcite in your granite countertops will make them more susceptible to stains and markings due to a chemical reaction with acidic liquids like lemon juice.
Line them up on a table or countertop dust them thoroughly then spill a few drops of lemon juice and cooking oil on each one of them.
A sample of your granite counter.
Etching has nothing to do with sealing granite countertops or marble or travertine.
