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  1. Ray

    New Zealand Tree Fern Fiber

    While I certainly love such discussions, I want to make a general comment here: Any discussion of plants + potting media or growing technique really needs to include the individual’s growing parameters, as what “works great” for one person for a particular plant, might be a “death sentence” to...
  2. Ray

    Wardian Case (Grand Cayman model) Advice

    Don’t arbitrarily start changing labels. Tolumnia hybrids are highly variable - Jairak Flier alone probably has dozens of differently colored cultivars, if not more - and how it is grown affects the appearance greatly.
  3. Ray

    Phragmipediums in Miami?

    I am in southeastern NC. My phrags are outdoors all summer, grown in semi-hydro culture (i.e., always moist) and flooded frequently. They are on the north side of my house, so get absolutely no direct sun, but have wide open blue skies above.
  4. Ray

    Retired on the Mendocino Coast

    Welcome aboard, Kermit.
  5. Ray

    Anyone with experience of SMC (spider mite control)?

    Hi, Georg. SucraShield isn't available at all, as the gentleman running the small company passed away a few years ago. About a year ago or so, the technology license was purchased and the product reintroduced as OrganiShield, but I have no idea if it's available over there.
  6. Ray

    Hello from Puerto Rico

    Welcome, Ricardo.
  7. Ray

    How to prevent erwinia?

    I would think iodine would be a curative treatment, not preventive, and honestly, have no idea of its phytotoxicity. However, I would think it would effectively wipe out all microbes in the rhizosphere, good and bad.
  8. Ray

    Water quality

    Yes, activated carbon will absorb chlorine, chloramine and heavy metals. It will not remove dissolved solids like the carbonates and bicarbonates that make up "hardness". TDS is, as you stated, the weight of all the minerals after the solvent is removed, not just nitrogen, so for an equivalent...
  9. Ray

    K-lite and CHC (Coconut Husk Chips)

    I cannot speak for Germany, but in the US, the analysis is provided in weight percent of elemental nitrogen, phosphorus as P2O5 and potassium as K2O, with all other minerals as elemental percentages. 14% is, indeed, 140000 ppm. If you dilute that 10 ml/L (1%), then your solution will be 1400...
  10. Ray

    pH and EC meter problem

    Certainly testing the EC tells you something, but I question what, how much, and what is the value of it? Potting media staying wet does not mean they stay 100% saturated at all times; they all lose water, so are, indeed, rewetted with fresh solutions. How much is yet another unknown... As I...
  11. Ray

    Charcoal

    Ray will-, and does not know. I think Tyrone has the best response.
  12. Ray

    Water quality

    @Russ1992 - That filter is just carbon. It will not remove dissolved minerals. I think you may be crediting EC with providing more info than it really does. Certainly, it’s better than TDS for telling you a factual fertilizer concentration, but only if you know the EC/concentration...
  13. Ray

    pH and EC meter problem

    The pour-through test was designed to allow the determination of the substrate pH, not the EC. Basically, you have simply demonstrated that your plant and potting medium absorb the nutrients, which isn’t very valuable information. Did you wait too long? Who knows, but I’d bet your...
  14. Ray

    Hi from Spain!. My setup

    Welcome. The biggest challenge I see is that you are trying to have plants adapt to what you can provide, rather than focusing on providing more closely what they need.
  15. Ray

    How to prevent erwinia?

    I think any formulation can help, and the greater number of species in the formulation, the better. I have used both Inocucor Garden Solution (a.k.a Synergro) and Quantum-Total (which contains both species mentioned earlier, Bacillus subtilis and B. amyloliquefaciens, among several others).
  16. Ray

    Cymbidium Valerie Absolanova

    I'd love to get a hold of one to try, here at the beach...
  17. Ray

    How to prevent erwinia?

    Try regular use of probiotics…
  18. Ray

    Hello from Canada

    Welcome.
  19. Ray

    Hello from Ontario Canada!

    Welcome!
  20. Ray

    Phalaenopsis javanica coerulea Spotted at WOC!!

    No, it's 800 New Taiwan dollars @ 0.032/US $.
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