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    Utricularia macrorhiza

    This is a common aquatic carnivorous plant around here. I tried to grow it, but I haven't had a long-term success, though. It is supposed to be similar to U. vulgaris, but the shape of the spur is quite different. Utricularia macrorhiza on Flickr We went to a neighbor pond, Ballaine Lake...
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    Vero 29 super deal

    This small-scale grow light maker is closing-out. Everything is 50% off. They have Vero 29 Gen 7, pre-drilled pin-fin heatsinks, Meanwell drivers. All good stuff for amazingly low price. They still have a couple pre-assembled grow light fixture, too. https://www.tastyled.com/default.asp
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    Utricularia blanchetii

    Utricularia blanchetii is a Brazillian terrestrial Utricularia with a limited genographic distribution (central Bahia). It seems to be ok with fairly low light (phototynthetic photon flux density, PPFD, of about 150 µmol/m^2/s). Here is the link to my Orchid Borealis blog post with a bit more...
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    Aqueous smoke water

    Are there good source of aqueous smoke water for seed germination in the US? There are some products in South Africa, and Australia. There are pretty good evidences that aqueous smoke water can break seed dormancy, and Karrikinolide (KAR1) is likely to be the active component. I know some...
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    Drosera rotundifolia in the north

    We were morel-hunting last week-end, but instead of morels, my son found this: Drosera rotundiflora on Flickr From herbarium records, there are a couple records from further north (Kobuk Valley National park around the Brooks range), but this seems to be at the northern edge of the...
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    Fluence SPYDRx LED grow light

    I noticed that Fluence Bioengineering's web site is finally up (they have announced their products 2 months ago), and they seem to be shipping them. Fluence Bioengineering | Horticulture Lighting Solutions It is the same company as Build My LED, whose LED grow light was tested as one of the most...
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    LSG PAR38-style grow light sale

    I noticed this Black Friday deal until Mon. https://www.lsgc.com/products/black-friday-cyber-monday?variant=8978702661 $99 for 4x 13W bulbs (normally around $160). Here is the spec: https://static.lsgc.com/downloads/dl/file/id/42/mynature_grow_broad_spectrum_specification_sheet.pdf PPF of...
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    DIY COB LED info

    I made a blog post about how to make Chip-on-board (COB) based LED fixtures (here is the link). I included materials list, step-by-step assembly details (maybe too much for most people), information about driver selection, and measurement data using PPFD. Also I came across a couple of useful...
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    Super easy DIY LED: Philips XF-3535L

    I just posted a step-by-step assembly of super easy DIY LED, which I have done about a year ago. 1 year is a long time in the progress of LED technology, but Philips XF-3535L is still great in terms of efficiency. The price came down a little bit over the year, but COB (chip-on-board) LEDs...
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    T8-LED info

    I mentioned in another post about an efficient T8-LED which I recently found, and I think someone wanted to know about it more (it could have been in a different CP forum). I put some of my first impression and data to my (brand-new) blog...