Soil Test Kit Function 4 in 1 Reagent Set PH Nitrogen P K Soil Detector Soil PH Test Liquid Solution For Agriculture Gardening

Soil Test Kit Function 4 in 1 Reagent Set PH Nitrogen P K Soil Detector Soil PH Test Liquid Solution For Agriculture Gardening

Function 4 in 1:
1.PH:4.0-10pH
2.N:0-500mg/L
3.P:0-240mg/L
4.K:0-240mg/L

pH:

1.Put a small amount of soil (1–2g)into the 10ml tube,add 10 ml pure water.
2.Screw the cap tightly and shake the tube for a minute, lay the tube erectly for about 30 minutes
until the stratification appear.
3.Absorb 2ml of clear liquid on the up layer with suction tube then put it into another tube.Drip
1-2 drops of pH coloring solution into the tube and shake it well.
4.Read the color with color chart after 1 minute.

kalium:

1.Put a small amount of soil (1–2g)into the 10ml tube,add 10 ml pure water.
2.Screw the cap tightly and shake the tube for a minute, lay the tube erectly for about 30 minutes
until the stratification appear.
3.Absorb 2ml of clear liquid on the up layer with suction tube then put it into another tube.Drip 1-2
drops of kalium coloring solution into the tube and shake it well.
4.Read the color with color chart after 1 minute.

phosphorus:

1.Put a small amount of soil (1–2g)into the 10ml tube,add 10 ml pure water.
2.Screw the cap tightly and shake the tube for a minute, lay the tube erectly for about 30 minutes
until the stratification appear.
3.Absorb 2ml of clear liquid on the up layer with suction tube then put it into another tube.Drip 1-2
drops of phosphorus coloring solution into the tube and shake it well.
4.Read the color with color chart after 1 minute.

Ammonia nitrogen:

1.Put a small amount of soil (1–2g)into the 10ml tube,add 10 ml pure water.
2.Screw the cap tightly and shake the tube for a minute, lay the tube erectly for about 30 minutes until
the stratification appear.
3. Drip 2ml of activator solution into another empty tube and then absorb 1–2drops of clear liquid
on the up layer with suction tube, put it into tube and shake it well. Wait one minute
4.Drip 1-2 drops of Ammonia nitrogen coloring solution into the tube and shake it well.
5.Read the color with color chart after 10 minute.