diy classroom aquaponics | Handmade fishing lures Mold making Prototyping plastic

12.18 in Aquaponics, fishing, handmade, lures, making, mold, plastic, prototyping

diy classroom aquaponics

I just discovered my new favourite substance.

Its even better than PVC.

Maybe it is PVC.

I dont know.

I was in my local electronics store checking switches, and was sold some of this stuff.

Its plastic that you can warm up and shape.

You need to get it to around 65 degrees c before it melts into itself.

Once hot, you can shape it into anything you can think of.

Pictured here is a bit I squeezed.

It retains fine detail like fingerprints, and when dry, it sets white like the beads again.

It sets to a strong plastic with a little flex, a lot like a soft drink (soda) bottle cap.




My first use was to make a very specific battery pack that didnt exist as far as I could tell.  Its great to work with, and totally recyclable. You just drop it back into hot water, and it re-melts.

I would guess you have around a minute to work with where you can press two bits together and they form one. And perhaps another minute where you can still shape it, but pressing two bits together wouldnt quite become one.

If you need more time to work it, you just put whatever youve half made back into hot water and it softens again.

Very cool stuff that I think Im going to need to buy in bulk.



120 Things in 20 years is excited about making handmade fishing lures, and just general prototyping  In reality, I have no idea what Ill do with it, but its exciting just knowing about it. Im easily excited.


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diy aquaponics cost | Aquaponics Update

22.16 in Aquaponics, bottles, from, green, plastic, recycled, update, wall

diy aquaponics cost

I did some work on setting up my aquaponics set up! after watching the DVD i learnt the basics, I did break one rule of having a too small set up, but my experiment is for small spaces so will go forward and see what happens.

My 2 grow beds above the fish tank.
i used two plastic under bed storage containers from a KMart, they were $16 each and are 35Lts, the fish tank is a 120 Lts plastic storage bin cost about $22

I built a wood frame around the fish tank to support the grow beds, including a chook (Chicken) coop.

the wood was from an Ikea futon bed that was recycled.

I driled a 1" hole in bottom of grow bed to add a bell syphon, to flood and drain system, I wanted to see if I could create my own version using plastic bottles, I will update latter once the silicon seal is set.

Pumps are very expensive and i wanted to keep the cost low so I went for a cheap filter /pump combo that sprinkles water on surface and filters, this was $17.85 from Hong Kong on ebay!

I also picked up a small aquarium pump at the garden center for $15

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diy countertop aquaponics | Green Wall from plastic recycled bottles

06.21 in Aquaponics, back, bottles, craft, from, goes, green, guttergrowbed, lane, plastic, recycled, set, wall

diy countertop aquaponics

My Project was to create a Green wall / living wall using recycled plastic water bottles, I wanted to use as many waste product parts as possible.

                                        

I started with drilling a 1" hole in bottom of bottles and 2 x 2 1/4 " holes in sides, then joined them together end to end.

I realized that the only way water would travel all way threw would flood the bottle to half way making it to wet to grow so used a plastic drip pie cut in lengths and L corner joints to complete the loop, I then made lots of drip holes in each growing area for water to leak threw.

I built a wooden frame to fit snug to the size of bottles and brackets on back to support them ( This was a mistake, next time ill use something like peg board to give more support)

I used zip ties to attach each neck of bottle to back support straps

I sprayed  everything Matt black to make it look nice.

sprayed back too

then i filled with a light peat mix and vermiculite growing compound ( the weight made all the bottles sag a great deal)

finely added as many green house plants ferns etc as i could get, I really didnt get enough to make it fully covered but it still looked cool!

I them drilled small hole in top and added a tube to top pipe for watering, the last bottle was left uncut as a collection chamber, i originally intended to attach a solar water pump to the collection chamber to re-pump to top again but never completed it!

This is the Green wall several months latter!

The main problem was watering! the water would pass threw the pipe too quickly and not allow enough to soak threw drip holes, My next one I will cure this by adding a piece of sponge in the tube at every joint to slow the water transfer process down, You can also see the support wasnt adequate and the weight crushed it all down. The angle of the bottles holes should have been more upright too!

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