terra flores in coco??

as above....ive been using this method for a while and ive always been happy with the results(if routine is stuck to)a mate of mine is interested in using my recipe but is unable to decide on using coco or terra medium due to another mate(whos never used terra flores) advising us that it is only for soil.can any1 prove that there is a difference in yield between coco and terra when using the canna range as directed with 4 medium plants under 1 600w light.or can any1 prove to me that using terra flores with coco is wrong? cheers

Using Terra with Coco isn't wrong, but you definately need to add a Calcium-Magnesium product with it. Ca-Mg is mostly left out of the Terra formula to facilitate a one part nutrient that doesn't precipitate in the bottle. I've never tried your combo, but I know the Terra requires cal-mag in soilless mixtures. The Coco nutes are cheaper than Terra though and are supposed to be formulated for the K-Mag balance a bit better, something to consider.

im not really bothered about the expense mate its just a recipe and method i was told and that ive tweaked and it produces more quality bud than i first said i would always be happy with.if i changed the medium and nutes to the full terra range would it make much of a difference and wouldnt i still have to put the Ca-Mg in the mix during flowering as there is none/minimal in the flores?