Is the oldtimer bloom a one part bloom solution or did you guys have to add cal/mag additives? Did you PH adjust the water before or after using Plant Magic?
I just used the bloom nutes. Have never used a cal mag supplement yet.
I thought I had to pH the nutrient solution but it was low and I don't have pH up so I went to get some. When I told the guys at the shop what I wanted it for they told me to put it back and gave me a lesson on buffering capacity of soil.
@GMAW
Hi when I've grown outside I haven't had to use cal/mag but when growing autoflower's under led light I've had to add it . Didn't pH as I was growing in soil hope this helps
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