The lemon juice and oil test will help you determine the suitability of any stone you are considering.
Lemon juice test for granite.
This granite is mixed with calcite or other acid sensitive minerals and maintenance will be a nightmare.
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.
Collect a sample of any stone you are considering.
Cooking oil coffee sliced fruit e g.
For example you may be considering a certain granite for your kitchen counters.
Sealing will not prevent.
The lemon juice test is a simple but effective way to test a stone for porosity and acid sensitivity.
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.
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.
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.
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.
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.
Collect a sample of any stone you are considering.
A sample of your granite counter.
Etching has nothing to do with sealing granite countertops or marble or travertine.
Above are basically field test to find out the granite quality.
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.
Pour a bit of water on the counter.
The lemon juice and oil test will help you determine the suitability of any stone you are considering.
If you notice dull spots where the lemon juice hit the surface you do not want this granite for your kitchen counter tops.
1 4 cup should be enough.
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.
Approval of material granite slabs should be done by carrying out laboratory test in the laboratory.
Be sure to do the lemon juice test for sealing granite on the new replacement slab and any stone you intend to purchase prior to installation though and you ll avoid this type of granite care nightmare with your next installation.
