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I've always read that in coco extra Ca is needed and less K. I've grown in coco with regular GH nutes before and just added a bit more CaMg, without issue. However, in the pursuit of getting the ratios just right I've been looking into coco-specific nutrients. The difference in K was more than I expected. Here's Canna's lineup:
Aqua Flores (Canna's hydro flowering mix):
A: 3-0-6
B: 0-4-3
Canna Coco:
A: 4-0-1
B: 1-4-2
As the A+B are always intended to be mixed in equal amounts, that sums to 3-4-9 for the Aqua, 5-4-3 for the Coco. The threefold difference in K here is huge. Does the coir really release enough to offset this? Has anyone experimented with various coco ratios, and have you found it's really unnecessary to add the K found in most hydro nutrient blends?
Aqua Flores (Canna's hydro flowering mix):
A: 3-0-6
B: 0-4-3
Canna Coco:
A: 4-0-1
B: 1-4-2
As the A+B are always intended to be mixed in equal amounts, that sums to 3-4-9 for the Aqua, 5-4-3 for the Coco. The threefold difference in K here is huge. Does the coir really release enough to offset this? Has anyone experimented with various coco ratios, and have you found it's really unnecessary to add the K found in most hydro nutrient blends?
