by Bob Beer » Tue Apr 03, 2018 4:31 am
by KategoricalKarnivore » Tue Apr 03, 2018 5:34 am
by Benurmanii » Tue Apr 03, 2018 8:03 am
by FlyTrap Hunter » Tue Apr 03, 2018 11:20 am
Thanks for the lesson. I don't grow pings but that's great information.Benurmanii wrote:I like using my 1:1 ratio mix of vermiculite, pumice, perlite, sand, and lava rock since it makes a good consistency that isn't so rocky that water isn't held well but not so dense that creates and anaerobic environment or one too stuffy for some Mexi Ping roots. I find that eventually, moss finds its way into anything. I think the main issue with peat is the bacteria and algae that accompanies it, which make be stealing some minor nutrients from your pings, making them lose color and vigor. The Pings that I sometimes see in culture which have really pale coloration often are accompanied by algae.
I don't always use agricultural lime and gypsum in my mixes. I have mixed feelings about it too. First off, it means I can't put mixes that use it in with acid loving Pings. Second, it can sometimes reduce the drainage of the mix if I put in too much, or it simply dissolves and washes away with too little.
Chemically, I don't believe gypsum nor calcium carbonate would affect your color. Carotenoids and anthocyanins don't contain the ions that gypsum and calcium carbonate create, so I don't think they closely relate to the production of these compounds (perhaps they are used by some other process in the production of these compounds? I am not sure, but then how would other CPs produce these compounds?). I have read the calcium carbonate helps strengthen the cells of Pinguicula, which makes sense to me.
Either way, I have found the most important part seems to be creating a relatively homogenous mixture that holds water well on its own. Plants I have in lazier mixes where the top dries easier than soil farther below it don't seem to do as well as those in a good and consistent mix.
by xr280xr » Tue Apr 03, 2018 3:03 pm
by evenwind » Tue Apr 03, 2018 3:56 pm
by Bob Beer » Tue Apr 03, 2018 4:22 pm
evenwind wrote:I started out with a couple of mexipings in pure NZS. I'd gotten them to eat the occasional fungus gnat infestation that my orchids were prone to. They were my first CPs. As time went on, I decided that they were worth having for themselves and bought a few more. Mostly I kept them in the NZS - which they seemed to be fine with. Then I started to read and realized that they must be secretly unhappy, so I started to try other mixes. At that point peat didn't work for me - it always got funky after a year or so. Anyhow, when I wanted to expand my mexipings after the Great Spider Mite Apocalypse killed off significant numbers of my orchids and VFTs, I spoke to Ron West (Cascade) and decided to try an all-mineral medium. Right now, they're all in a 1:1 Turface:Gravel mix with maybe 5%-10% Aragonite for flavor. The gravel is polycoated aquarium substrate, so it should be the pretty much the same as silica gravel/coarse sand (which I can't find around here). Most of the mexipings seem to be okay in this mix but there's always a few unhappy ones. I'm still learning.
by xr280xr » Tue Apr 03, 2018 4:29 pm
Bob Beer wrote:Yes, I remembered that Ron was using basically turface and silica sand with some iron oxide. I added vermiculite because I’m not growing them in as much water.
by evenwind » Tue Apr 03, 2018 6:54 pm
xr280xr wrote:Actually as of a few years ago, he had started using (and selling) the mix I mentioned above: 1 part each of peat, sand, vermiculite, perlite and pumice
Bob Beer wrote:Yes, I remembered that Ron was using basically turface and silica sand with some iron oxide. I added vermiculite because I’m not growing them in as much water. I considered iron oxide but had trouble forming out 18 bucks for a box of it, for minuscule amount I’d end up using. I suppose if I let some nails rust in a jar of water and water with it, I’ll be doing the same thing, right?
by xr280xr » Tue Apr 03, 2018 7:38 pm
evenwind wrote:I just checked the site. Ron's selling both the mix you're talking about and the all-mineral one. From the write-up, the all-mineral one is his newest - not that matters if the other one is working for you.
by heywhathuh » Tue Apr 03, 2018 9:14 pm
by Bob Beer » Tue Apr 03, 2018 10:47 pm
You got me curious. I checked Ebay and you can get 1 oz of red iron oxide for $4 or $5. (I just ordered one.)
by Bob Beer » Tue Apr 03, 2018 10:58 pm
by KategoricalKarnivore » Wed Apr 04, 2018 12:07 am
by Bob Beer » Wed Apr 04, 2018 7:48 am
KategoricalKarnivore wrote:Wow that laueana x emarginata is really green. That’s crazy. Here’s mine.
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