Bulk potting media

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I have around 300 phrags I need to repot, where is everyone buying their bulk medium fir bark from? My usual place is sold out and I hate the idea of buying so many 8 quart bags.
Try Green Barn Orchid Supplies(FL, USA), They have 35 litre bags of bark(about two cubic foot?) and I am sure they can sell your bigger size...they do sell 50 pound bag of charcoals. Email them or call (561)499-2810
 
Green Barn is in Delray Beach Florida to be more specific.
Shipping has been expensive for quite some time. I prefer Orchiata myself compared to fir bark but it comes down to preference.
 
Green Barn was Bill's suggestion when I asked for good orchid supply sources last year, so thanks again.....and, I am going to run out of fir barks soon too, so I will get some from GB. I ordered some pots, charcoal, and sponge rocks from Green Barn about three or four months ago, shipping wasn't too bad. They claim they charge shipping at cost, or close to it.

I used to place a large order from suppliers if they offered free pickup at shows...and that was in the good old days. I am not sure if they still give customers that option now.
 
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I have around 300 phrags I need to repot, where is everyone buying their bulk medium fir bark from? My usual place is sold out and I hate the idea of buying so many 8 quart bags.
Everything is cheaper by the pallet. See if you can get a group order together with your local society.

Personally, I hate orchiata... I killed an entire generation of phrag seedlings with it. Granted, this was maybe 15 years ago, it is may be better now. I like just regular fir bark.

I'm trying to get away from bark in general. I got through it at a pretty robust pace, but every time I get close to running out some nursery retires and I 'inherit' their bark supply. Running out of nurseries... But I'm planning on switching to coconut husk when I need to buy new. Easier to get.
 
Everything is cheaper by the pallet. See if you can get a group order together with your local society.

Personally, I hate orchiata... I killed an entire generation of phrag seedlings with it. Granted, this was maybe 15 years ago, it is may be better now. I like just regular fir bark.

I'm trying to get away from bark in general. I got through it at a pretty robust pace, but every time I get close to running out some nursery retires and I 'inherit' their bark supply. Running out of nurseries... But I'm planning on switching to coconut husk when I need to buy new. Easier to get.
You need to be careful with CHC. Some samples have a high chloride content and many other problems. I think I have come up with a good way of treating CHC but time will tell....
 
Green Barn is in Delray Beach Florida to be more specific.
Shipping has been expensive for quite some time. I prefer Orchiata myself compared to fir bark but it comes down to preference.
Hadley recommended Orchiata mix. (So does Bill Goldner for Phrags). He said it gave him longer time between repotting as Paphs should be repotted frequently, so instead of every year repot, he could go 2. Bill said it extended his repot from yearly to 18 months for phrags.

Here was Hadley’s mix:
Seedlings - Classic ⅛-¼”

3.5 “ - ¼-⅜” Power

4.5 - or larger ½-¾” Power Plus (larger, 4 parts to 2 parts)

75 bark/15 perlite/10 Canadian peat.

Parvi and brachy love oyster shell or chic grit

I’ve used their recommended mixes since I heard them say this in 2021, except I add charcoal.
After 2 years UNC studies show Orchiata pH drops rapidly if 100% Orchiata, a little slower with perlite/charcoal.
Bill uses Power Orchiata in a 6” pot with perlite. He stopped using charcoal because of inconvenience if getting it. I’ll see him this weekend and verify this is still what he’s doing.

Anyone know where to get Canadian Peat?
 
Do you think Promix be a good substitute for the peat? Easier to obtain, at least for me.
I've used Promix HP for phrags with good results, most of the time. I just can't seem to predict which ones will strongly object. I started an experiment last year with three crosses of 10 plants each, with 5 in Promix HP and 5 in Orchiata Classic. When I repot in about 3 months, I will closely compare the roots and leaves. At this point they are all OK and I don't see any obvious trends. The reason I did this experiment is, as you mentioned, Promix is easy to find. It is also cheap and easy to work with. Mike
 
I think I have come up with a good way of treating CHC but time will tell....
Please tell us your way, Mike...I only soak mine in plain water for a day or two and change the water a couple of times in between.
I don't think CHC will last longer than the fir barks...what do you think?
 
I've used CHC for a long while for Cymbidiums. Straight - no additions. Super root growth as it holds moisture well when compacted. Sometimes I can move a plant up in pot size three times while retaining the old media. Makes it easy. There are brands now that are very well washed.

But to me it doesn't have the right characteristics for Phrags, which need super root aeration while retaining moisture.
 
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