Word of warning 4 ml/l is very strong.
I will not speculate but a seedling died after using 4ml/l
It is such a strong dose that one can only use it once a month.
If one waters a mounted orchid every day, only being able to feed it once a month makes little sense to me but kelpmax is ridiculously strong (take a whiff)
so to use it more reguarly it needs to be diluted at least 30x times but I like to dilute it even further. So I go 100x diluted.
I would say anything bwtwen 50-100 times weaker than the recommended dose is a good dose and I am converted on the stuff after using so little.
The first thing I always do with any fertilizer is work out the safe amount my orchids respond to well and that is 50 times less than the recommended dose - but at every watering, not just once a month. This should be roughly 1 small drop per liter
If it helps, that can also be done. It does not need to be all in one go.
Last edited by Shadeflower; 09-23-2021 at 03:07 AM..
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