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PostPosted: Sep 8th, '17, 09:12 
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Hi

I'm a middle school science teacher (8th grade) at Canyon Middle School in Castro Valley, California. I've had my own personal aquaponics system for about 5 years and I think it's a great teaching tool.

I've started putting together an aquaponics system for my classroom. A neighbor donated an IBC tank, which I promptly cut up and took into my classroom. Yay for super wide classroom doors.

Last year I had a Kind K5-XL750 grow-light donated to my classroom, so I'm good on the lighting front. One of the owners of a local hydroponics/aquaponics store (The Lucky Garden in Dublin, CA) is an alumnus of my middle school, so he'll help out with Hydroton, pump, and fish.

What else do I need to start out?

I'm putting together a DonorsChoose campaign to take advantage of a Sonic campaign called "Limeades for Learning" https://www.limeadesforlearning.com/faq . I'm putting together a <$400 amazon shopping list. I'd appreciate any suggestions for items I should add or remove from my list.

API Freshwaster Master Test Kit
API GH & KH Test Kit
API Phosphate Test Kit
API Replacement Test Tubes
Seachem Safe 250g
Madbite fish net 16"
25 Foot - Python No Spill Clean and Fill Aquarium Maintenance System
Python Hands-Free and Spill Free Aquarium Hook, Green
EHEIM TWIN Automatic Feeder, Battery Operation
Matala Hakko MEA Pro 1 EZ-air Pond Aeration Complete System
Total = $368

The "splurge" item was the Matala aeration system. It's powerful 1.1cfm linear pump, fairly quiet (important for the classroom) and reliable.

Any suggestions?

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PostPosted: Sep 11th, '17, 05:29 
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Ok,

I'm going over to the school this afternoon to get some work done. Back to school night is on the 13th (this Wednesday) and I want there to be fish and hydroton.

The IBC i got was missing the top bars, so I have to build some sort of platform for the grow bed to sit on. I've seen a few examples where 1"x1" square tubing is used to support the weight. That seems to work well, but I don't have any source of inexpensive metal. And Home Depot only sells metal in 3' and 6' lengths, not the 4' or 8' that would work well for an IBC.

I'm thinking of bolting 3/4" BCX plywood to the bottom of the grow bed cage. And then building up wood strips to support the recessed area of the top.

Do I also need some 2x2 or 2x4 supports to strengthen the plywood?

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PostPosted: Sep 12th, '17, 02:22 
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Yes. you could put some 2x4s (or 2x6s) thru the cage at the bottom and skip the plywood.
Attachment:
2x4s.jpg
2x4s.jpg [ 47.55 KiB | Viewed 170 times ]


Be sure they extend at least 2" beyond the ends so if/when the bow they don't fall out. Maybe use some screws to keep them from moving lengthwise.

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800 gal sys 2016
IBC system 1/2015
simple flood & drain
5 growbeds

9 kW Solar Electric 2011

"Aquaponics...solar-powered nanotechnology that produces fresh vegetables and meat, while purifying water..." - Rick Op, Houston Texas.


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PostPosted: Sep 23rd, '17, 09:43 
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Things are progressing along. The tank has water in it, the heater is hooked up, and the cannister filter is getting cycled.

I had some used hydroton donated, so I'm in the process of washing it and putting it in the bed.

Attachment:
Aquaponics 20170921-small.jpg
Aquaponics 20170921-small.jpg [ 193.49 KiB | Viewed 115 times ]

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