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I question if the article is referring to expanded polystyrene since it is brittle and not flexible. Seems like a sheets would not emerge from a shredder without making a terrible mess. Maybe a more flexible, thin foam sheet?

Reminds me of fibrosis of the lungs when particulates become permanently lodged on the tissue.

Don't forget about oxygen dissolved in the water.

I would be curious if a similar effect could could accomplished by bubbling air (oxygen & nitrogen) into the water storage vessel with a small fish pump. As an organic chemist, I am quite aware of the ability of UV light to produce ozone, and I do know that ozone is more reactive then oxygen...

As an organic chemist with experience in the field of drug discovery, I am inclined to avoid pesticides which target biochemical systems that exist both in insects and humans. In the case of organophosphates, this class of insecticides binds to and inhibits the enzyme acetylcholinesterase...

How long do the flowers last? Beautiful as usual.

A year and a half ago, I posted some pictures of my Professor Braem (longifolium x schlimii var manzurii). Now I am including pictures of my Phrag. x sendenii (longifolium x schlimii). I do not generally get worked up too much over taxonomy, but do you think these photos are consistent with the...

Not sure if this minor discrepancy matters, but the label on my MSU Pure Water Special (Green Care) shows: N - 13% P - 3.7% K - 15.9%

About 4 inches (10 cm) across. Still waiting to see if petals will open up more. Unfortunatey this appears to be part of the dowiana genetics.

Not sure about fading. The flower is fragrant.

This is a Chadwick division of Cattlrya Ophir. This cross of xanthina x dowiana was first made around 1900 and remade by Art Chadwick in the 1990s. If you have the second edition of the Chadwicks' "Classic Cattleyas," you can find a photo on the back cover. Hoping this opens up a bit more.

Big fan! Welcome!

I love NZ tree fern. The color lightens as it dries. I have yet to determine how long before it starts decomposing. Here is a source: https://orchidsupplystore.com/fern-wood-new-zealand-tree-fern-soft-orchid-substrate-40-liter-bag/ It has gone up in price quite a bit in the last few years. If...

it would be great to go but the proximity to hurricane season makes me think twice.

Hello, A couple of months ago, I learned about some great presentations on the Odom's Orchids YouTube page. Keith Davis had some interesting observations and tips about cattleyas in his three videos. He discussed dealing with an overgrown cattleya by attaching a smaller pot filled with media to...

I was speaking to Roy Tokunaga about making the cross with the aureum form of spectabile, and he reminded me that the aureaum variety is recessive for the yellow-green color. I really like the Joyce Kelly with the heavy influence of johnsoniae. Not sure how my Joyce Kelly seedlings with two...

Very nice!

An article in the May issue of Orchids describes the use of Ferroxx.

Possible. I believe that bowringiana is a fall bloomer, but I know nothing about how that changes with hybrids,

Maybe some skinneri in the background?