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Although today we find iron sulfate that protects aluminum, in limestone soils aluminum sulfate is still very important for certain plants to grow without problems. In addition, it has a fairly cheap price and its mode of use is very simple.
But What exactly is this product for and how is it used?
What is it?
Aluminum sulfate or alumina sulfate is the salt of aluminum, which is presented in granular form, white in color but can also be brown if the iron content is greater than 0,5%. It has a density of 2,672 g / cm3 and a molar mass of 342,150 g / mol. It has many uses, such as:
- Removes impurities from pool water
- It makes the water drinkable, that is, it cleans it
- May enhance the bluish color of hydrangea flowers
What is the dose to apply it to plants?
If we want to use it for plants we will have to follow the instructions specified on the packaging. Why am I saying this? Because it will depend on the brand, the concentration, and other factors that are beyond my control to set a higher or lower dose. In any case, to have more or less an idea of the dose, it is necessary to know that usually a small tablespoon (about 10 grams) of aluminum sulfate is diluted in one liter of water every 15 days.
Do you have drawbacks?
For plants you can have them. A higher dose than recommended will affect the root system and, therefore, the rest of the plant., which will become brittle as it has a smaller volume of roots. That is why it is necessary to know what we are buying and how to use it well, since this way we will avoid having to throw our pots into the compost heap.
Where to buy?
It can be bought in nurseries and garden centers, and also by clicking on this link.
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