Organics and coir don't mix very well since coir is inert and dry amendments need living soil to break down optimally. Same goes with other soilless peat mixes.
thats all i really have to know .
when i say dry amendments you can buy a pre mix of rock dust, alpha meal, stuff like that whats...
hi growers so can i use just coca 70/30 mix then take dry amendments and mix that together and thats it ? or do i need to add compost and other stuff to my potting mix . i dont want to make compost and i do not want to buy it . basicly i dont want to use any other organic imputs but dry...