10 Gallon Tank How much to shake test tube

newbietetra

Hi,

My Chinese test kit (ph, Amonia, Nitrite, Nitrate) doesnot say how long to shake the test tube. So, i been shaking each test tube hard for about 30 seconds for each test.
But i just saw Dr Tims video, and i saw he shake each test tube for only about 2 seconds and gently.

how long and hard do you ahake the test tubes?
 

BradleyH2O

Per my API test kit instructions pH is inverted several times to mix, ammonia is shaken vigorously 5 seconds then wait 5 minutes for color to develop and the same for nitrite. Nitrate test is shaken for one minute with the 5 minute wait. This is of course adding both nitrate and ammonia solutions
 

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