a comprehensive map of electronic markets in Shanghai
View 上海电子市场 in a larger map]]>
Everything you want to know about Electronics Market in Shanghai but are afraid to ask…
February 24th, 2013 § 0 comments § permalink
DIY Aquaponic with Ikea Samla
February 8th, 2013 § 12 comments § permalink
Jiu Xing Market – Maker's Big Helpers in Shanghai
January 21st, 2013 § 2 comments § permalink
Jiu Xing Market is one of the best place to go for markets for everything except electronics. The market is over 1 million square meter with over 7000 shops and stores for all sort of building materials. Most of the shops offer customization and build to order services. For this who reads Chinese, Baidu has a great page on it. Here is a map.
Lutz and I took a quick morning walks around the area. The steel section are full of small shops no bigger then 40 sqm and impressive machines.
Photos by David




Photos by Lutz








#Aquaponic#: we have perfect water
September 23rd, 2012 § 2 comments § permalink

We just tested the water and it’s perfect. 7.0 in PH, no ammonia and nitrite and full of nitrate. Looking forward to seeing these grow!

– Posted using BlogPress from my iPhone
Location:Huashan Road,,China
]]>It's a Bugs Eats Bugs World
September 3rd, 2012 § 3 comments § permalink

I was referred to predator mites by a few organic farmers on weibo. They look badass! They are smaller then red spider mites but literally eat them for lunch. Each adult predator mite will eats about 200 to 400 red spider mites.

I ordered a few bags of them and just finishing deploying them in the garden. There are both adults and eggs in the bag. Place the opening close to stem of infested plants and the predator mites will climb out of the bags to track down the spider mites. It’s a long night waiting but I can’t wait to see if any of them come to action by the morning.

Go Killer Bugs!!! – Posted using BlogPress from my iPhone
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Hydroponic Planter: One week after
August 21st, 2012 § 5 comments § permalink
The planter built a week ago is doing well on my balcony. Here is the before and after photos.
A week ago
Today

#Aquaponics# Sun Shade Cover Up!
August 17th, 2012 § 0 comments § permalink
Also, 100 earth worms are added to help process the organic matter in the system. Hope they can survive with constant ebb and flow. 🙂
Finally, over 300 Chinese green, tomato, cucumbers, eggplants, and sun flowers are transplanted and we should be ready to harvest in about 4 weeks.
The basils and chives transplanted into the system are growing amazingly.
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Aquaponic: Survived The Typhoon Haikui
August 12th, 2012 § 2 comments § permalink
在系统里面加入了珊瑚做为PH的调节,也加入了铁肥,补充这样还在初期的鱼菜共生系统这个方面的不足。
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Building a simple Hydroponic Planter
August 12th, 2012 § 6 comments § permalink
把气泡石条固定在底网的地下,感谢Rocket的简易,把出气面朝下,这样可以有效的避免水里面的杂质阻塞气石。
切了一小段的PVC管,做为水深度的指标,固定在底网上。
用另外一段的PVC管子来保护气管不被陶粒挤压。
菜盆这样就准备好了。
先放把大的陶粒,最后2CM放小的陶粒,最上面小的陶粒的主要用途是固定植物,和防止阳光的热和光传到营养液中,造成营养液温度太高以及绿藻成长。
混合了15升的营养液,把一些黄瓜,向日葵移植到水耕菜盆里面,打开气泵。
制作后的感想,建议大家制作的时候,先把大的陶粒放到营养液里面,打开气泵,盖上盖子24小时后,让大的陶粒充分吸收水分,沉淀到底部,再铺上小的陶粒。不然陶粒会在移植的时候漂浮到表面上。
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Aquaponic farm updated
August 6th, 2012 § 0 comments § permalink
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