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  #41  
Old 07-06-2021, 10:13 AM
Mirjam Mirjam is offline
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Quote:
Originally Posted by Mr.Fakename View Post
Interesting. I use the same product monthly, and can't see anything. Maybe 4mL/L is too much.



Recommended dosage is 1-4mL/L, so how much do you actually apply?
It is 1/8 or 1/4 of 1ml. I add 1/8 at every watering, which is about 1x week in spring/summer.

The 1/4 I use to soak orchids before repot.

I can imagine that it can lead to root burn, as there is a huge difference in growth speed of of orchids and cannabis
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  #42  
Old 07-07-2021, 07:13 AM
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Quote:
Originally Posted by Shadeflower View Post
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.
I recommend using it in three different ways, depending upon the need:
  • Once a month @ 1:250 for routine application.
  • When repotting a plant, water it in with that same solution, then again the next two times it needs water. After that, go to the once-a-month schedule.
  • For plants with no roots, do a complete immersion in that solution for several hours, then pot the plant up and follow the “repot” regimen.
The manufacturer’s new technical director is an orchid grower. He and his OS started out by following my recommendation, but have experimented with a dose of 1:100 (10 ml/L, or 2.5x my normal rate) one time in the spring to “kick start” growth, and have been very impressed with the results.

Don’t let the TDS concern you. For one, TDS meters are notoriously inaccurate. I had two different ones, and when measuring a 100 ppm N MSURO solution, which has a true TDS of 740 ppm, the two meters gave about 375 and 480 ppm readings.

Secondly, when you’re concerned about root burn due to highly concentrated fertilizers, it’s because they are solutions of ionic mineral salts. KelpMax is mostly organic compounds, not salts.

Quote:
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.
Great observations!
Quote:
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...
As I said above, I think you are needlessly concerned about the apparent TDS. I have placed ex-flask seedlings in a 10% KelpMax solution before potting them up, and saw no damage.

That said, maybe you might consider selecting a “straggling” plant as a guinea pig and try the 1% treatment as an experiment.
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  #43  
Old 07-08-2021, 04:31 PM
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While we're on this subject, a lot of folks have asked me if the product can be used on other plants.

The simple fact is that it has been used on food crops, fruits, nuts, turf and landscape plants for years, and I am merely the one that introduced it to the orchid world.

I use it on my fig tree, my herbs and vegetables, and all of our bedding and landscape plants. I've attached a photo of some impatiens in my deck planting boxes at the time of planting and 8 weeks later.
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  #44  
Old 07-11-2021, 07:42 AM
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Quote:
Originally Posted by Mirjam View Post
It is 1/8 or 1/4 of 1ml. I add 1/8 at every watering, which is about 1x week in spring/summer.

The 1/4 I use to soak orchids before repot.

I can imagine that it can lead to root burn, as there is a huge difference in growth speed of of orchids and cannabis

I've been spraying my plants daily with an 1/8 of a mL for a week, and it seems to be working.

There's a lot of new roots, and old ones are either branching or starting to grow from inactive tips again.

I can't attribute this success to good summer weather; and the only thing that changed in this time is Alg-A-Mic dosage, so I'm going to assume it's related.
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