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Welcome KingDave, eBay is as good a place to find components if you can’t find anywhere local, good luck with your windowfarm.
In reply to - King Dave posted an update in the group North Shires of England UK: Looking at rigging up something for my window in Derby! Hoping to work it out to be portable so I can take it with me when I move house in the summer. · View -
Edwardo commented on the blog post New improved milkcarton windowfarm – the milkblock! 1 year, 9 months ago · View
I’m awaiting photometric details about the LEDs from Welldone – should be able to tell more then…
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Edwardo commented on the blog post New improved milkcarton windowfarm – the milkblock! 1 year, 9 months ago · View
@samerahmen Why? – have you seen a review of this product? I’m thinking of the Shenzhen Welldone Tech and Industry Co. Ltd. growlight on eBay , there are many growlight LED panels out there – but very little feedback from the people who use them. http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=270557720378&ssPageName=STRK:MEWAX:IT#ht_3641wt_939 There’s no bad feedback for this product and the [...]
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Edwardo commented on the blog post New improved milkcarton windowfarm – the milkblock! 1 year, 9 months ago · View
The LED grow light I’m looking at is14 Watts, it’s a panel 12 x 12 inch and has 225 LEDs, cost £27($40) – which I think is about 40p/month (60 cents/month) if it’s on for 8 hours a day
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How about some pictures of your set-up when you have it planted? – I would like to see it.
In reply to - samenrahmen posted an update: … and I’m already down to 15sec/h for the two fans and the pump – that’s less than 2 cents of electricity costs per month ! · View -
Edwardo commented on the blog post Light sources for Hydroponics 1 year, 9 months ago · View
Red incandescent 40W lamp equals 8-12W of filtered light (figures based on theatrical lighting gels 20-30% transmission) usually it’s not even tinted glass (too expensive!) but rather lacquer which peels off after a few months. A red LED is red light only – they usually come in clear encapsulation these days – and no infra-red [...]
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Edwardo wrote a new blog post: Light sources for Hydroponics 1 year, 9 months ago · View
A .pdf file discussing lighting for Hydroponics… and the old one about low light plants.(can’t seem to be able to paste text + pictures into a post)
Edwardo
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Edwardo commented on the blog post New improved milkcarton windowfarm – the milkblock! 1 year, 9 months ago · View
@Owen – I find the photochemistry of plants very confusing, there seem to be several photo-active chemicals a & b Chlorophyll, b Carotene, Phycoerithrin.. each with one or two spectral peaks. I notice the professional LED grow lights now have 2 colours of red, 2 blue and an orange. It’s hard to find out how important [...]
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Edwardo commented on the blog post New improved milkcarton windowfarm – the milkblock! 1 year, 9 months ago · View
Thanks Owen, have you used these successfully yet?
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Edwardo commented on the blog post New improved milkcarton windowfarm – the milkblock! 1 year, 9 months ago · View
Lorne, Green? Naaah.. there is a green light in the kitchen though – so everything we eat is green food! Samenrahmen, yes putting it there to start with – to see how well it does, it will have a dedicated blue LED light on 18hrs/day eventually. Owen, yes small stuff herbs (it is the kitchen!) [...]
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Edwardo wrote a new blog post: New improved milkcarton windowfarm – the milkblock! 1 year, 9 months ago · View
First it was a column of milkcartons, it was too weak and floppy… Then stacked them up on their sides – too fiddly having to cut and seal holes… Then ZigZag V1 ad V2 – but v1 was not stackable and v2 has the net pots in horizontally – they keep trying to fall out! Meet [...] -
Edwardo commented on the blog post New Ideas for Root Covers? 1 year, 9 months ago · View
kitchen foil- total blackout – reflects heat too…
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Edwardo commented on the blog post Airlift tubes 1 year, 9 months ago · View
I second that! (HardwareJunkie)
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Edwardo commented on the blog post Alternate air pump performance data 1 year, 9 months ago · View
Hey – the planet needs us nerds!
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Edwardo commented on the blog post Internal 6mm piping 1 year, 9 months ago · View
Owen – Re Leaves+foil – that’s interesting – do you say this from personal experience? It sounds like some sort of electrolysis although there is no obvious earth return?
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Edwardo commented on the blog post Internal 6mm piping 1 year, 9 months ago · View
The foil is to reflect “solar gain” heating (as well as to totally shield light – white paint/paper/tape won’t do that)- I suspect some of the windowfarms that have black painted bottles WILL boil their roots when they are in the sun for hours on end. One thing I’ve found from hydroponics is that hot [...]
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