I see what you mean about that product. It looks like it's supposed to be used as is. I think it would be OK to spray on your orchids right out of the bottle. Seaweed is not a strong substance and I've never heard of it burning plants or roots. Just use a little at first until you see how they react. Seaweed is great to use in the spring because it encourages root growth.
Last edited by tucker85; 09-14-2011 at 05:00 PM..
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