DennyP

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    Sydney, Australia
  1. Now this is a TDS Probe: https://www.atlas-sc.../ec-sensor.html Go hard or go home ;) Jaja jokes.
  2. Hello all :), This post is a followup of this post here: http://www.cpukforum.com/forum/index.php?showtopic=49670 My Part II is posted here: http://theauscpforum.lefora.com/topic/19398036/Greenhouse-Monitoring-amp-Control-Microcontroller-called Cheers, Denny P
  3. Hello Mobile, Yes indeed Coir does contain humic acids in the form of Tannins. Tannins gives the very brown tinge in the water when passed through Coir medium, the first time. I personally flush a pot of coir with boiling water 10 times and the water is clear when I do this. I'd love a more numerical experimental approach to Coir by testing the soil properties instead of trialing by carnivorous plants because this will eliminate "lurker" variables in your experiment that also effect the growth of the plant (which you are using to evaluate results) e.g such as: sun amount, pot type, climate/location, etc etc. A good design of experiment (DOE) will be the difference between results which are solid and conclusive or can be interpreted in different ways by other people. One numerical example (not completely DOE perfect): 1) Test TDS (total dissolved solids) of the boiling water flush from a pot of coir and graph it from 0 to 10 flush (or more). 2) Test pH cause I've heard coir isn't acidic enough but we need evidence. I've also heard that salt content is related to the location of the Coir Harvest e.g. Sri Lankian product is harvested more inland and hence is not exposed to sea salt where as Indian product is, but don't know if it's a valid claim.
  4. Updated again, showed the temperature vs time curve from Arduino. 35 degrees was maintained when the sun was out in an 18 degrees Sydney winter day (Sunny all day, notice the fast temperature decays when there is no light).
  5. Hello, Sorry for not doing a separate forum post (too much time): http://www.auscps.com/modules/newbb/viewtopic.php?topic_id=2093&forum=5&post_id=5718#forumpost5718 I'm able to reply here for convenience sakes.
  6. That louisa looks like Hirsuta x Spathulata that originates from Malesiana Tropicals as a wholesale plant: You can compare: http://www.cpphotofinder.com/nepenthes-x-hirsuta-x-spathulata-4146.html
  7. Design question: I've got access to 6mm diameter tubing, would this be enough if I have D. Scorpioides as my upper limit? I'm assuming that's the biggest gemmae of the genus.
  8. Thanks for the responses guys! I'll try both methods, though that pooter looks like it can do a heck of a job and simple to use. I'll construct one and report it's efficiency come Australian winter. Cheers, Dennis
  9. Hey Guys, With winter approaching in Australia, yet another gemmae season will come. I've always picked the gemmae off my individual plants which took a lot of time. However I only had one species, now I have 8 species with generous specimens in each and I can already see it would take me a very long time picking up all the gemmae. Is there a more efficient way of collecting gemmae than "handpicking and hope for the best it doesn't drop into the soil"?. I've seen a obscure photo of some vacuum cleaner method, like a dentist's vacuum to clean teeth, except it's gemmae, could this be a method? and how I can obtain one?. Cheers, Dennis