


SALE PROHIBITED TO PERSONS UNDER 18 - FREE SHIPPING FROM €40 (Mainland Spain only - Max. 25 Kg)
Pro Silicate 4 Liters GROTEK is a specialized supplement that reinforces the cellular structure of plants, providing silicon and potassium to strengthen stems, leaves, and roots. It improves resistance to environmental stress and prevents common nutritional deficiencies in cannabis cultivation.

The use of Pro Silicate 4 Liters GROTEK is essential for growing stronger and more productive plants, especially when using water filtered by osmosis or distilled water.
Its formula based on potassium silicate adds silicon and potassium to the nutrient solution, two elements that improve structural rigidity, nutrient absorption, and tolerance to pests, fungi, and adverse weather conditions. It also increases chlorophyll production, improving photosynthesis and the plant's overall metabolism.
Its application is versatile, as it can be used both in irrigation and foliar application, and is especially effective in hydroponic and aeroponic systems, where there is usually a silicon deficiency.
The presence of silicon in plants not only favors their structural development, but also creates a kind of "biological shield" that deters attacks from insects, fungi, and bacteria. Stems become harder, leaves more resistant, and the plant in general can better withstand heat, drought, or cold stress.
The potassium present in the formula contributes to the flowering process, helping to develop more compact flowers with better structure.
Pro Silicate is recommended for all types of substrates, but is especially important in hydroponic and outdoor crops, where plants usually face more demanding conditions.
There are several ways to apply Pro Silicate 4 Liters GROTEK depending on the cultivation system:
We recommend applying Pro Silicate separately and not mixing it with other fertilizers in the same solution to avoid incompatibilities. It is essential to shake the product well before use.
The formulation of Pro Silicate is based on a highly soluble source of silicon and potassium:
This combination allows for an immediate effect in improving the plant's structural resistance and preventing mineral deficiencies, especially in purified water.
Among the most outstanding advantages of Pro Silicate 4 Liters GROTEK in cannabis cultivation are:
Pro Silicate 4 Liters GROTEK is a mineral supplement formulated with potassium silicate, developed specifically to strengthen plant structure. Its regular application allows for the creation of more robust tissues, reduces the negative effects of environmental stress, and promotes more productive flowering.
It is an essential product for growers who use soft water or hydroponic systems, where silicon is usually not present in sufficient quantities.
Its liquid formulation allows for easy dosing and rapid assimilation, and it can be applied both in indoor and outdoor crops.
Find Pro Silicate 4 Liters GROTEK at Hydroponics Blanes, your trusted Grow Shop with a wide selection of Grotek Fertilizers. We are a Grow Shop in Spain specialized in products for cannabis cultivation, with discreet shipping and fast delivery throughout the peninsula and Europe.
Our online store offers personalized attention and technical advice to get the most out of your crops.
If you are looking to strengthen your plants from the inside, protect them against pests, and optimize their development throughout the entire cultivation cycle, Pro Silicate 4 Liters GROTEK is an essential tool.
Its simple application, effectiveness in multiple types of crops, and ability to prevent deficiencies make this product an indispensable option in any professional nutrition plan.
At Hydroponics Blanes, we make it easy for you with trusted products, technical support, and fast and discreet shipping.