The ‘grams of fertilizer required in 10 litres to achieve target ppm in solution calculator’ is used to establish how much of a dry/powder/solid agricultural/nutrient base fertilizer is required to be added to 10 litres of hydroponic nutrient solution to achieve a given ppm in solution of any nutrient species. The calculator is extremely handy for working out e.g. how to add a sort after ppm of Cal-Mag or P and K to solution using dry/powder/solid fertilizers.
All you have to do when using this calculator is enter your fertilizer nutrient percentages, enter the sort after ppm you require and hit calculate. The calculator then tells you how many grams per 10 litres are required of your fertilizer to achieve your sort after ppm in solution. The calculator also tells you what ppm of any other nutrient species you have added to solution where working with fertilizers that contain two or more nutrient salts. Additionally, the calculator enables you to save records and print the data so that you can file it and use it later.
To use this calculator:
- Enter the fertilizer name you are working with (e.g. calcium nitrate) in the "chemical/fertilizer name" box at top >>>> Now start entering data in the fields below this
- Enter the nutrient name/symbol you wish to add to solution in the top box at left. Typically base/dry fertilizers contain more than one nutrient species so there are two boxes where you enter any other nutrients that are found in the fertilizer you are working with. For example, calcium nitrate contains both Ca (calcium) and NO3 N (nitrate N) so in the 2 left fields you would have Ca and NO3 N entered.
- Enter the elemental percentages (%) of nutrient/s found in the base/dry fertilizer you are working with. So if your calcium nitrate fertilizer contained 16.7% Ca and 11.6% NO3 N you would enter 16.7 next to where you have entered Ca and 11.6 next to where you have entered NO3 N
- Enter the sort after ppm you wish add to solution of your sort after nutrient species/salt. So if you wanted to add 40ppm of Ca to solution next to where you have added Ca and 16.7 you would enter 40
- Hit calculate
The calculator then tells you how many grams of your fertilizer are required to be added to 10 litres of solution to achieve you sort after ppm in solution target. The calculator also tells you what ppm of any other nutrient you have added to solution (as long as you have entered the relevant data) where working with fertilizers that contain two or more nutrient salts.
A comprehensive article about adding Cal-Mag to solution via using dry/solid base fertilizers can be found here
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