diy aquaponics system pdf | DIY LED Set for 2ft tank

diy aquaponics system pdf

It has been a while for me wanted to try LED light but it always been turn off due to the price as well as the fact that not all LED light set in the market can grow plant. Most of them just bright enough for us to see but not for plant to grow. It may not designed for planted tank. The one that design for planted tank cost very-very expensive. So I decided to DIY my self.

My target is to replace my 2x55W PL light set with LED. I choose to use CREE 3W led because I read from forum and some people said that those small LED does not have enough PAR. This project total cost is about S$30 for each row, my plan to make 2 rows for better coverage.

By the way, I found this light calculator to calculate PAR for different type of light. http://www.defblog.se/LightCalculator/

Material:
1. Two 62x5cm aluminum plate, used as a heat sink
2. CREE XR-E Q5 LED x6
spec:
- 3.7V typical driving voltage
- Manufacturer Rated 228 Lumens at 1000mA input current:
350mA: 107~114lm
700mA: 171.2~182.4lm
1000mA: 214 ~ 228lm
3. Two 900mA 10W Constant Curent Source LED Driver
spec:
- 10 watt high power LED driver
- Input voltage: AC 85~265V
- Output voltage: DC 9~11V
- Output current: 900mA
4. Miscelaneous items: thermal paste, screw and bolt, cable and small container

Drill some holes on the Aluminum plate to mount the LED

Drill some holes also on both edge. This is more for safety, to prevent the module from droping into the fish tank

Drill holes for LED mounting
LED is screwed to the aluminium plate
Finished module

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diy aquaponics stand | IAPLC 2012 Judging Method

diy aquaponics stand

IAPLC steering team was just announce new judging method during live broadcast on Saturday (17 September) and since then many discussion around it through out Aquascaping community. Some are welcome to the change and some are not. My take is the new method is wide open for abuse and votes fairness is in question due to nationalism/patriotism.

You can read some of their view from the link below

ASW: http://www.aquascapingworld.com/forum/announcements/5409-live-stream-iaplc-party-new-ada-award-public-voting-3.html

MAC: http://www.my-mac.net/forum/viewtopic.php?f=9&t=16271

The issue was started in Round 2 where the top 100 are determine by votes from contestant, fish shop owner and magazine publisher. This mean that country with more contestants and more shop owners will have advantage. What happen to the fish shop who own by old Uncle and Aunty who do not even know how to use computer? This round also open to abuse where contestant can create multiple fake entry, thus he/she will have multiple vote right under his/her control. He/she can even sell the votes in the even his/hers scape unable to enter top 200.

Round 3 (IAPLC jurries and party participants votes will decide the top 7) and Final Round (Grand prize winner will be decided by party participants) will have simmilar issue. This will give adavantage to home country. Which country do you think will have the most NA party participants?

Lets face it, it is just like sport event, people will support their home country team eventhough there no chance of winning.

There are still couple of months before IAPLC 2012 start, lets just wait and see how ADA going to prevent the above possibilities. I just wish there will be tank size category on the next IAPLC. Small tank have slim chance to beat those big tank.

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