Best Answer - Posted by
Jingo
"I used to use rapid start root stimulant with my coco plants and it benefitted significantly. I found 30% perlite and coco would get the same fast start for way less money. Perlite is great in 5 gallon fabric pots, maybe not so great in smaller pots. I can't think of any good reason for pebbles mixed in, but I ALWAYS put a 2 inch layer of well washed pebbles on top to create a barrier for thrips and root aphids it also helps add oxygen as the water cascades through the pebbles. You really don't need it unless you want unusually large yields. Pellets on the bottom is also good if your plants sit in the waste water, but not the best option in my mind.
J"
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