Lit-Control® pH Buffer

To keep the solution in proper condition for as long as possible, follow these precautions: note the date of first use and replace it with a new solution after one month; keep the solution cup screwed onto the device during storage; store it between 5°C and 45°C; and avoid direct exposure to sunlight.

Unscrew the cup and pour in the calibration solution. Screw the cup back onto the device and gently shake it for 5 seconds. Press the button until the device turns on and wait for the C symbol to appear on the display. Press the button once to start the calibration process. While calibration is in progress, a moving dot will appear below the symbol. If calibration is successful, the T symbol will appear on the display.

Urinary pH is an indicator of the acidity or alkalinity of urine and provides information about the body's overall health status. The average pH value is around 6.2; however, due to its fluctuating nature, it may range from 4.5 to 8, depending largely on diet, waste products, metabolic alterations, and other factors.

There are currently two options: test strips and laboratory pH meters. Test strips are widely questioned by the medical community due to their low accuracy and reliability for clinical decision-making. Laboratory pH meters, on the other hand, lack the portability needed to measure the pH of freshly voided urine, which is the sample with physiological relevance.

If crystals are present in the urine and urinary pH is above 6.2, conditions are favorable for the formation of infection-related stones, calcium phosphate stones, or calcium oxalate stones induced by calcium phosphate. If pH is below 5.5, the formation of cystine stones, uric acid stones, or calcium oxalate stones induced by uric acid is favored. In some cases, the mere presence of crystals and a lack of physiological inhibitors of crystallization may promote kidney stone formation even without an abnormal pH. Proper urinary pH monitoring can help reduce the risk of kidney stone formation.

After the placement of a urinary catheter or a double-J ureteral stent, urinary tract infections commonly occur and may lead to alkaline urine in most cases. If the infection persists, aided by factors such as the presence of urinary crystals and an alkaline pH, calcification of the catheter or stent may occur. This can lead to blockage and, in some cases, make removal more difficult.