Kelpmax in Netherlands

[Shadeflower]

Camille, sry I wrote my number in a confusing manner.

4ml/l is the same as 40ml per 10 liters

I've used Kelpmax seperately but I still don't know the best time to use it is. I'm thinking maybe just 4 times a year, like camille says it is dosed at a very high concentration - 4ml/l of kelpmax had a ppm of roughly 370 in rain water.

All very similar numbers but kelpmax I see more of a booster wheras kelpextracts I use on top of my fertilizer all the time.

I will just add that I have seen good results from the Kelpmax but it is so hard to quantify results as every year orchids get stronger and produce more blooms anyway, their growth is seasonal so only monitoring progress for 2 months is just not long enough and even if one does a side by side expereiment one would need to use more than 2 orchids as orchids can vary in growth without any boosters too.

Even though I have the product on hand, I really have not been able to use it that much yet. The main problem I have is I can't just incorporate it into my fertilizer regime.
To use it I need to switch over to kelpmax exclusively for a week as the ppm would get too high if I just add it so this year I have not bothered to get out the kelpmax yet...