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 Post subject: Re: Pete's first system
PostPosted: Oct 10th, '16, 14:48 
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We've been without power now for 34 hrs due to the windy weather blowing trees over in our area. It's been very frustrating trying to keep things cool and operate day to day appliances.
I had to get some parts down the line so I managed to get a Bunnings fix and get the plumbing stuff I need and a 2kw inverter genset.

The GB'and sump tanks seen above are 1.2 mm thick, they are the thinnest I would go to maintain structural integrity without adding more complex folding. Because I intend to cover the panels I've left the weld bead and carbon stain on - no polishing.

Stainless stick welding is generally a pleasure compared to ferrous materials, the arc runs smoothly on DC and the slag falls of by itself. However the thinner the material the smaller the rod and more skilled the operator must be and the neatness of the bead tends to disappear.
Enter the TIG welder - modern machines that have the capacity to weld tig and stick up to 8-10 mm thick can also tig down to 0.5 mm. The weld is only beatable with robotic laser welding machine so minimal wastage and filler wire is required, however an inverter style welder and argon gas bottle is required to perform very smooth and invisible welds.

The pump that's on there now is an old Hitachi that pushes about 1200 Lt per hour I'm waiting for another dry pump to come that will push 2000 Lt per hour at the required head so it will fit better with the 15/45 min cycle.

Pete.

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 Post subject: Re: Pete's first system
PostPosted: Oct 14th, '16, 12:49 
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I rung Buxton trout farm to find out the starting pellet size for the fingerlings I was going to get at the end of this month and they told me the fry were 25-50mm ready to go now for $0.60 ea. and feeding on 1.2 mm.

I've been cycling fishless for 12 days and have about 20 seedlings growing. The 1Kl IBC will be coming on line this evening which has been full for 6 days from town water. How long must I wait to cycle the system now?

Pete.

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 Post subject: Re: Pete's first system
PostPosted: Oct 14th, '16, 12:57 
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How are your water tests going?

Cycling basically ensures the ammonia is processed in a timely fashion to nitrates with no ammonia spike or nitrite spike.
You need this be happening so whne you add your little crapping machines they are happy


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 Post subject: Re: Pete's first system
PostPosted: Oct 14th, '16, 19:55 
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I mixed a yogurt tubs approx 200 ml of power feed into a 9 lt watering can and sprinkled it over the seedlings yesterday about noon. The plants are all growing well.

The last couple of days I've been digging and plumbing the IBC to the GB's (see pics). I ment to check the water this morning but got distracted with the ambition that I may just be able to get cycling on the IBC by tonight. I did achieve that and let it cycle a couple of times then checked the water see pic, although now there is 1600 Lt going around.
The biggest change was a drop in the ph. I then mixed in 2 yogurt tubs of powerfeed into 9 lt of FT water and poured it back into the FT. I'll check it again tomorrow.

I've still got to get the uninteruptable power supply together - the system I've come up with will support 4 systems.

Pete.


Attachments:
File comment: Diversion plumbing
2016-10-13 19.07.39.jpg
2016-10-13 19.07.39.jpg [ 311.5 KiB | Viewed 2450 times ]
File comment: Cross path trench
2016-10-13 19.08.13.jpg
2016-10-13 19.08.13.jpg [ 308.27 KiB | Viewed 2450 times ]
File comment: IBC plumbing
2016-10-14 18.52.49.jpg
2016-10-14 18.52.49.jpg [ 282.61 KiB | Viewed 2450 times ]
File comment: 1st IBC water test
2016-10-14 19.45.06.jpg
2016-10-14 19.45.06.jpg [ 182.37 KiB | Viewed 2450 times ]

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 Post subject: Re: Pete's first system
PostPosted: Oct 15th, '16, 17:27 
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Today I worked on fitting the air lines to the SLO and adjusted the height off the bottom of the tank to 7 mm which equates to about the area of the 40 mm underground pipe.
Everything seems to be cycling well even with the old (1350 L/h@1.7mh) pump. 30/60.

The ammonia and PH have come up a bit since yesterday - should I keep adding powerfeed until the something like the nitrites and nitrates change?
I've now got 36 seedlings growing.

Pete.


Attachments:
File comment: 24 hrs after 200 mm powerfeed
2016-10-15 18.58.00.jpg
2016-10-15 18.58.00.jpg [ 183.35 KiB | Viewed 2442 times ]
File comment: Bubbler on the roof
2016-10-15 18.55.47.jpg
2016-10-15 18.55.47.jpg [ 187.82 KiB | Viewed 2442 times ]
File comment: SLO adjustable flange
2016-10-15 10.18.06.jpg
2016-10-15 10.18.06.jpg [ 204.08 KiB | Viewed 2442 times ]
File comment: SLO
2016-10-15 10.21.33.jpg
2016-10-15 10.21.33.jpg [ 278.04 KiB | Viewed 2442 times ]

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 Post subject: Re: Pete's first system
PostPosted: Oct 15th, '16, 18:11 
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Sit tight, you need to see the ammonia to be converted to nitrite and then to nitrate. It takes 4-6 weeks (depending on temperatures) for the bacteria to grow to the point they are capable of doing this.So hard to wait. But it just takes that long :-)

Don't add anymore powerfeed till the ammonia starts to drop.

Don't worry too much about the Ph at this stage.


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 Post subject: Re: Pete's first system
PostPosted: Oct 15th, '16, 19:02 
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Thanks Brian,
how often should I test and what do I do when the ammonia drops?
Pete.

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 Post subject: Re: Pete's first system
PostPosted: Oct 15th, '16, 19:44 
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Petesake wrote:
Thanks Brian,
how often should I test and what do I do when the ammonia drops?
Pete.



Run Forrest Run....................... :laughing3: :D
sorry been having too many reds tonight.

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 Post subject: Re: Pete's first system
PostPosted: Oct 16th, '16, 07:05 
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I tested every second day till I saw Nitrite, then daily to monitor the levels a little more closely.


When the ammonia drops you get to wait... lol

Depends on how high your Nitrite goes, but you need to see that disappear to back to zero. Then you can add more ammonia, the idea is to see it pass through to Nitrate without a huge ammonia or nitrite spike.


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 Post subject: Re: Pete's first system
PostPosted: Oct 16th, '16, 07:34 
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Ok thank you, it'll give me some time to catch up on things I've been neglecting.

Pete.

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 Post subject: Re: Pete's first system
PostPosted: Oct 16th, '16, 07:44 
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Petesake wrote:
How long must I wait to cycle the system now?Pete.


The bacteria that you want is in the air you breathe, the water as well, u can't get away from those 2.

A rotting carcass "roadkill" would be great except for the stink.

Take some 1/2-3/4 composted material and make a tea, or just put it into a sock and let the water flow thru it. You will inoculate the bacteria faster than just waiting for it to just happen.

That's what I do. Compost goes thru the same process that a AP system does.


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 Post subject: Re: Pete's first system
PostPosted: Oct 16th, '16, 11:37 
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Yes I've heard that compost tea benefits AP systems, I guess it would speed up the bacteria growing process in a new system. I have liquid compose tea - how much do you recommend adding to this system?

I know Brian I couldn't help myself, I had to run another test today (Day 14). see pic.

Pete.


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File comment: Test day 14 fishless
2016-10-16 11.48.24.jpg
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 Post subject: Re: Pete's first system
PostPosted: Oct 16th, '16, 12:12 
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:thumbleft: looking good


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 Post subject: Re: Pete's first system
PostPosted: Oct 16th, '16, 13:33 
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I've got my doubts about that last test. You jumped from ammonia straight to having nitrates, without showing any nitrites. While it's normal to not show any nitrites once the system is fully cycled (because the conversion is very fast), it's not the norm when you're just getting the filter started. Of the tests in the kit nitrate is probably the easiest to mess up and I think it might not be a valid result in this case. Test again tomorrow and see what you get :thumbright: .


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 Post subject: Re: Pete's first system
PostPosted: Oct 16th, '16, 16:34 
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Takes time Pete, patience is one of the things that comes with AP..
Don't go overboard with the Powerfeed. Usually only do that once week at most.
You had some good weather over weekend (we up at Mansfield area) so temps will start working with you.

Pity about the rain starting this pm..... but warmer temps are holding, so good for cycling.

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