I got all the Phalaenopsis orchids (Noid) at the same time in Spring of 2023. They were all from Wholefoods. About a week after purchase, I repotted them in plastic pots with lots of air holes. The substrate is the RePotMe Phalaenopsis Dark Classic Orchid Mix made with:
- Medium Coconut Husk Chips
- Medium Sponge Rock
- Medium Stalite
- AAA New Zealand Sphagnum Moss
I added some extra moss in layers to each pot to help prevent drying out too fast, as it gets hot in the summers of my apartment in NYC.
On the substrate surface there's a little Cyanobacteria growth (I partially cover the surface moss with bark to limit the Cyano growth.) I uploaded some close up pics of the substrate. I wanted to test rhizosphere pH, but this was too difficult. However, I believe pH is same for all.
I water once a week with fert by watering directly into the pots (the water drains out the air holes and pools in the outer container away from the roots). Mid-week I spray the aeriel roots and top substrate with the water fert mix as the top substrate dries out first. I "top spray" mid-week instead of canister watering bc 2 waterings a week makes the inner soil too wet (esp.in winter) as the moss retains a lot of moisture. In the summer I will top spray 2-3 times per week, in addition to the flow through watering. So basically, I water the portions of the substrate as soon as they dry out (this allows for constant feeding without oversaturated roots.) The temperature in my living room (where they grow) stays at about 70° F in the winter and can get to 100° F in summer with no ac.
I have a Levoit humidifer about 2' from them that keeps humidy around 50%. They each have their own Barilla full spectrum grow light. I use a light meter to ensure they get about 1k fc for 12 hrs a day.
I only use water filtered by Berkey carbon filters, with additional Berkey flouride filters. I put Santevia Mineral Stones in the filtered water as the Berkey filters strip out essential minerals. The mineral stones add the following:
- calcium
- magnesium
- potassium
- zinc
As per Ray's instruction, I'm making sure both fert regimes get the same amount of nitrogen, which is 24 ppm per dose (both water & spray applications). I think the quality of the nitrogen is the primary differentiating factor in the fert regime. The Miracle Grow is urea/ammonia based. Ray's nitrogen is nitrate based. The studies I read indicate that nitrogen derived from nitrate noticeably outperforms urea based formulas (esp. longterm bc urea can have adverse effects on plants overtime).
See Ex. 1 (PhD Study re Nitrogen on Phals). I'm also interested to see the effect of the Kelpak over time.
I think my culture is fairly sound, but if anyone has any suggestions for improvement please let me know.
Here is a YouTube link to the setup
https://youtu.be/pLOjrnqAd8Y?si=Q--VnYVa_26yyI6K
As they grow I will post pics and provide links to YouTube videos.