E
ella
Member
- Jul 20, 2023
- 49
when i did the first test, it gave 2.0 ppm color. i wanted to know what 5.0ppm color looks, so i added more sn straight in the test tube. it immediately changed to 0ppm. shouldn't the ppm increase if i add more sn?
after i did the second and third test, it shows 0 ppm. is my SN fake? it is odd
edit : i used api nitrite test kit. anyone knows why it give me odd results?
after i did the second and third test, it shows 0 ppm. is my SN fake? it is odd
edit : i used api nitrite test kit. anyone knows why it give me odd results?
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