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12-23-2021, 11:50 AM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,204
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12-23-2021, 11:53 AM
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Administrator
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Join Date: Feb 2011
Zone: 6a
Location: Kansas
Posts: 5,224
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Quote:
Originally Posted by K-Sci
I broke all the ribs down one side of my back jumping off a horse. They kept me in the hospital overnight for observation. During my overnight stay I contracted a nasty strain of hospital-acquired pneumonia. I ended up back in the hospital in a coma for two weeks and almost died. Moral to the story - avoid hospitals.
-Keith
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Yup, at almost all costs.
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Caveat: Everything suggested is based on my environment and culture. Please adjust accordingly.
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12-23-2021, 12:24 PM
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Senior Member
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Join Date: Oct 2020
Zone: 9b
Location: Lake Charles, Louisiana
Age: 70
Posts: 1,497
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Not to disagree with Keith, but I broke 5 ribs due to leaving a moving motorcycle prematurely. Also broke my collar bone. Overnight stay and every post crash test they could think of, then surgery. Fortunately, there were no ill effects from the hospital. Just my bruised pride.
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Post Thanks / Like - 1 Likes
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12-23-2021, 02:08 PM
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Senior Member
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Join Date: Mar 2011
Zone: 5a
Location: Base of the "Thumb", MI, USA
Posts: 1,444
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Quote:
Originally Posted by Dusty Ol' Man
Not to disagree with Keith, but I broke 5 ribs due to leaving a moving motorcycle prematurely. Also broke my collar bone. Overnight stay and every post crash test they could think of, then surgery. Fortunately, there were no ill effects from the hospital. Just my bruised pride.
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Was the departure voluntary or involuntary? Either way does sound painful.
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12-23-2021, 03:10 PM
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Jr. Member
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Join Date: May 2021
Zone: 9b
Location: Northern California
Posts: 28
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I kind of did this experiment early this year with four mini phals. Two purchased from Trader Joe’s at the same time and two from an orchid nursery. The TJ ones had moderate and severe root rot. The nursery ones had relatively healthy roots but one had moldy media.
All were repotted the same week, into similar media and slotted pots, and treated with spraying 3% peroxide on the damp roots.
The healthier TJ mini phal and nursery phal had no issues with it. They maybe paused growth for a month or two but both are now some of my healthiest and most floriferous orchids.
The TJ one with worse roots died, and upon dissection I did find a purple ring. The nursery phal with moldy media lost all its roots but I was able to nurse it back to health (see my recent post).
My conclusion? Peroxide is not a cure all nor a sure killer, and its suitability for use probably depends on what’s actually ailing the orchid and its current state of health. I would continue using it judiciously on mild cases of root rot and expect a period of stall afterward, but wouldn’t use it on severely stressed plants.
Last edited by mvmgems; 12-23-2021 at 06:24 PM..
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12-23-2021, 05:38 PM
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Senior Member
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Join Date: Aug 2011
Zone: 7b
Location: Manhattan, NY
Age: 40
Posts: 8,411
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Although Hydrogen Peroxide does have antimicrobial properties, it is not recommended for orchid care. The oxidizing properties of Hydrogen Peroxide on your orchid roots will burn and destroy the healthy velamen that protects the roots, hindering their absorption.
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12-23-2021, 05:50 PM
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Senior Member
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Join Date: Nov 2021
Posts: 297
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Well hydrogen peroxide may not be helpful but it doesn't really hurt at low concentration.
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12-23-2021, 06:51 PM
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Senior Member
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Join Date: Oct 2020
Zone: 9b
Location: Lake Charles, Louisiana
Age: 70
Posts: 1,497
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Quote:
Originally Posted by Paphluvr
Was the departure voluntary or involuntary? Either way does sound painful.
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Quite involuntary. Hit a slick spot in a corner on a new rear tire. Bad combination. Fortunately I was going about 10 mph when it occurred. And yes, it hurt.
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12-24-2021, 10:04 AM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,204
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Alan Koch of Gold Country orchids was a proponent of pouring H2O2 through the medium to “oxygenate” it. He told me he bought it by the pallet.
I view that as a risky practice, but when you consider that the peroxide decomposes almost instantly upon contact with organic material, maybe the risk is lessened a bit.
I spent a lot of time talking to the technical director at BioSafe Systems, who sell hydrogen peroxide products for horticulture, and he explained it as being a difference in concentration and stabilization.
Drugstore peroxide is typically 3% active and is mildly stabilized with stannous chloride. When the H2O2 to H2O reaction commences, it is a fast, relatively “violent” release of energy.
Their H2O2 products are designed to be delivered at a much lower concentration and are stabilized with peroxyacetic acid, which allows it do decay at a much slower rate - hence a non-damaging energy release - staying chemically active until it dries.
I used their Zero-tol product in my greenhouse for years with no issues.
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12-24-2021, 11:22 AM
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Senior Member
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Join Date: Sep 2020
Zone: 8a
Location: Central Mississippi
Posts: 653
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Outstanding post, Ray! It explains a lot.
-Keith
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