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4dkh water
- Thread starter foxfish
- Start date
Hi
You could make your own.
Theres a topic somewhere.
hoggie
You could make your own.
Theres a topic somewhere.
hoggie
hogmeister
You actually need 6 litres of De-ionsed water cost about £4.00 from wilkos or halfords.
Use the rest for making ferts/trace.
Cheers
hoggie
Hi gang
Here is another recipe for dkh4 reference solution.
. Measure 3000 ml of distilled water using the 500 ml graduated cylinder and put it in a clean container. The container could be an empty 1 gallon distilled water bottle. (I found it easier to use 3000 ml, instead of the often suggested 5000 ml because you can make your standard with 1 gallon of distilled water instead of having to have a larger container or multiple containers)
To read the precise water level in the graduated cylinder.
-Place the cylinder on a flat surface.
-Make sure your eye is on a level plane with the of the meniscus.
-The meniscus is the half-moon curve formed at the surface of liquid.
-Water should be read from the bottom of the meniscus
2. Weigh 3.60 grams of baking soda, add it to the 3000 ml of distilled water and mix well, this will make a 40 dKH / KH standard.
3. Pour 450 ml of distilled water into the 500 ml graduated cylinder.
4. Pour 50 ml of the 40 dKH standard into the 50 ml graduated cylinder
5. Pour the 50 ml of 40 dKH standard into the 500 ml graduated cylinder and mix well, this will give you 500 ml of a 4 dKH standard.
6. If you want a 5 dKH standard instead of a 4 dKH - change step 3 from 450 ml to 400 ml and you will end up with 450 ml of a 5 dKH standard.
May try this one myself.
Regards
hoggie
Here is another recipe for dkh4 reference solution.
. Measure 3000 ml of distilled water using the 500 ml graduated cylinder and put it in a clean container. The container could be an empty 1 gallon distilled water bottle. (I found it easier to use 3000 ml, instead of the often suggested 5000 ml because you can make your standard with 1 gallon of distilled water instead of having to have a larger container or multiple containers)
To read the precise water level in the graduated cylinder.
-Place the cylinder on a flat surface.
-Make sure your eye is on a level plane with the of the meniscus.
-The meniscus is the half-moon curve formed at the surface of liquid.
-Water should be read from the bottom of the meniscus
2. Weigh 3.60 grams of baking soda, add it to the 3000 ml of distilled water and mix well, this will make a 40 dKH / KH standard.
3. Pour 450 ml of distilled water into the 500 ml graduated cylinder.
4. Pour 50 ml of the 40 dKH standard into the 50 ml graduated cylinder
5. Pour the 50 ml of 40 dKH standard into the 500 ml graduated cylinder and mix well, this will give you 500 ml of a 4 dKH standard.
6. If you want a 5 dKH standard instead of a 4 dKH - change step 3 from 450 ml to 400 ml and you will end up with 450 ml of a 5 dKH standard.
May try this one myself.
Regards
hoggie
gollum456 said:
I think it should read 100ml added to 900ml gives a litre.
hoggie
hogan53 said:
