Coconut coir can have plenty of salt in it, which might actually be an issue. Throughout the harvesting course of, the coir is usually rinsed in saltwater as a substitute of in freshwater. To be secure, you must all the time completely rinse and drain coconut coir your self earlier than utilizing it. The rationale this could be a downside is as a result of if the medium you are rising in is just too saline it is going to inhibit the plant’s uptake of water and vitamins.
Talking of vitamins, if you need your rising medium to offer some fertilizer as effectively, you may want so as to add it your self. Coconut coir is inert, which means it has no vitamins. So, sure vitamins could have to be supplemented, particularly attributable to the truth that coconut coir holds onto calcium, iron, and magnesium. The coir chemically binds to these vitamins and will not launch them attributable to its excessive cation alternate price.
You will additionally need to pay shut consideration to the label, as some coconut coir bales are handled with chemical substances for pathogens. Should you’re rising organically, this can be one thing necessary to examine into. It may also be exhausting to search out coconut coir from a dependable supply, so chances are you’ll have to have it shipped to you.