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Although Mapito has been around a bit longer, growers seem to be discovering the advantages of growing on this substrate, especially in recent years. This is not without reason, because Mapito has a solid structure as a substrate and has an optimal ratio of water and oxygen. This combination forms the basis for very good harvests! Mapito consists of rock wool flakes and coconut fibers. Mapito itself therefore hardly contains any food, but the water and liquid food are stored in it.
Rinse, EC and Ph value
Before we can use Mapito, we first need to rinse it clean, in order to lower the EC soil. Another important point when growing on Mapito is that we have to keep a close eye on the pH value of the substrate. For successful cultivation on Mapito it is best if we maintain a pH value in the substrate of between 5.3 and 5.8. Since normal tap water, for example, would have a pH value of 7.5, this means that we have to reduce the pH value of the tap water. By using pH-min and applying the correct dosage, we can get the pH value to the ideal value. It is recommended to measure and check regularly. Often there is a lot of information on the Internet about the pH value of the tap water in your area.
At the start of growing on Mapito, it is important, just like when growing on rock wool, that we let the Mapito soak. If you do not do this or do it incorrectly, there is a good chance that the Mapito will not work that well for a long time and will absorb significantly less moisture and deliver it to the plants. All rock wool substrates (including Mapito) must be soaked before cultivation. This is done to ensure that the Mapito's ability to retain water will be increased. This is called the "capillary action". Mapito that has not been soaked in advance does not retain the water sufficiently and therefore gives the plants little or no opportunity to absorb moisture and nutrients from it. You often see such problems with growers who have a striking number of cuttings that do not catch on. Failure or improper soaking of the Mapito is often the main culprit. The young, often vulnerable cuttings do not last long. This is also the reason why stone wool mats often have a plastic layer (white cover). This plastic cover functions as a breeding box in regular horticulture. In addition, the plastic cover makes it easier to fully soak the mats. If Mapito or rock wool is not soaked before the start of cultivation, the places that have remained dry during the cultivation will also no longer get wet. The Mapito cannot retain optimal moisture. For optimal soaking, it is best to keep the Mapito wet for 24 hours. That way the foundation for a nice harvest has already been laid!
When you fill the flower pots or nursery trays with Mapito flakes for the first time, make sure that you fill the pots or nursery trays to the maximum. By adding as many flakes as possible, you prevent the substrate from collapsing too much after the flakes have become moist for the first time. The water naturally makes the flakes heavier and some of the air is forced out. As a result, a Mapito substrate can shrink considerably. By applying a sufficiently thick layer, the substrate will remain sufficiently thick after collapse in order to continue to grow plants on it properly. If the Mapito layer still collapses too much, apply additional flakes again, so that the pot is filled optimally.
Available in: 80 liter bags