Chlorine usually causes yellow spots but will turn some red dyes to green.
Bright yellow spots on carpet.
The majority of the time this is the cause of the brown or yellow spots or rings that develop on your carpet after you clean.
However there may be some other variables at play too.
Do not soak the carpet.
Green or blue stains may indicate sunlight combined with a catalyst.
Acids pink or orange spots on carpets are caused by as little as 1 hydrochloric acid in solution.
Or if it really is yellow 2 apply an acid side product like fab set at 4 to 6 ounces per gallon or citric acid powder at 10 to 12 ounces per.
Fresh sliced ham without the preservative was spotted with these 127 coccus and 74 bacillus strains and then incubated at 4 c or 20 c.
Of mild dish soap to 1 cup of water.
In general red spots on tan or beige carpet may suggest strong acids.
Yellow stains indicate reactions caused by strong oxi dizers or bleaches.
Tackle wool carpet or wool blend with 1 tbs.
Recently i have been restoring old family photos that are forty to 100 years old.
1 spray on a anti wicking agent like encapuguard green.
Yellow spots occurred on the surface of sliced ham which was made without sodium nitrite and stored at 4 c for 2 to 3 weeks.
Spots caused by benzoyl peroxide are yellow to orange in color on most carpet pinkish on blue carpet.
You simply want to get enough on so that it is wet but not soaked.
Those with much peroxide are bright yellow and exhibit an orange halo which moves outward as the bleaching action.
Place it in a spray bottle or apply it directly to the stain.
I am a basic user of photoshop.
Then bursh it into the carpet.
Stomach acid is 10 stomach acid so vomit must be cleaned up promptly and neutralized with a mild alkali such as a detergent solution and rinsed or there will be permanent colored spots.
I am guessing that this is.
This is nothing to worry about.