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  #141  
Old Today, 06:14 AM
Metallising Metallising is offline
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Join Date: Jun 2015
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Terrarium growing experiments
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Nice progress !
Next order from ecuagenera will include a Trisetella andreettae like yours

2 questions related to your setup Draikan:

1 - Any clue on how much light intensity your plants are receiving? In my terrarium most plants are getting 600-1000 foot candles of cheap 6500k LED lights for 10h. Would like to hear your numbers.

2 - I believe I read in some previous post you apply fertilizer through the misting system. Any issues with clogged nozzles ?


I finally found my 13~ years old arduino board, let's get started!
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  #142  
Old Today, 12:56 PM
Draikan Draikan is offline
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My light meter says 200 foot candles near the bottom of the tank and 500 near the top. I run the light 12 hours a day. Most of my plants aren't happy at the top of the tank, and would rather be at the middle or lower layer.

Yes I do put fertilizer in the irrigation water. When I recovered the tank from my parents after ~1.5 years, the nozzles were very slightly dirty but still functioning. I'm not sure if they were actually corroded. Rather, I think that as the last drop of water from a mist cycle evaporates off the nozzle, it leaves a tiny bit of stuff behind. Overtime this may build up.

I have changed the schedule to mist two times for about 1 minute each, 10 minutes apart, on watering days. This way the nozzle can sit in fresh water for 10 minutes before running again. I've only been doing it this way for a few months, so it's a bit too early to be sure, but it seems to really help dissolve then flush anything that was left in the nozzles on the previous cycle. I was actually doing this to help the plants soak then flush, but it seems like it might be good for the nozzles too.

Good luck with the Arduino!

Last edited by Draikan; Today at 01:22 PM..
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  #143  
Old Today, 06:08 PM
Metallising Metallising is offline
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I have read when growing Masdevallias and other low light orchids one should aim to around 1000 foot candles. However, I'm leaning to agree with you, most species seem to be doing better with less light, those getting 600 FC look better than those getting 1000 FC.

Regarding the nozzles nice to know it doesn't clog frequently.
As part of maintenance schedule, the nozzles could be submerged in cleaning vinegar (acetic acid) a few minutes every 2-3 months, it should dissolve the build up of any minerals.
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