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 Post subject: Ben's IBC System
PostPosted: Apr 16th, '15, 23:11 
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A few pictures from my setup. My main issues I had were getting the right size pipes with some measurements being internal, others external and B&Q labelling them wrong! Also had some fun and games getting the syphon to run properly. I am now letting it cycle for a bit and hoping the Nitrifying bacteria to build up.


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 Post subject: Re: Ben's IBC System
PostPosted: Apr 17th, '15, 03:55 
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Looks good :thumbright:


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 Post subject: Re: Ben's IBC System
PostPosted: Apr 17th, '15, 16:31 
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And here's it finished (more or less!).


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 Post subject: Re: Ben's IBC System
PostPosted: Apr 17th, '15, 19:55 
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I would be interested to find out about anyone running the pumps, UVC filters, airstones, etc. off a solar panel.

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 Post subject: Re: Ben's IBC System
PostPosted: Apr 17th, '15, 23:55 
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webtechy wrote:
I would be interested to find out about anyone running the pumps, UVC filters, airstones, etc. off a solar panel.

You can't run a uv filter can you? Wouldn't the radiation kill the bacteria


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 Post subject: Re: Ben's IBC System
PostPosted: Apr 17th, '15, 23:56 
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I have seen comments that the bacteria are on the substrate, and not throughout the system ... but not 100% sure ...

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 Post subject: Re: Ben's IBC System
PostPosted: Apr 18th, '15, 09:01 
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Running a UV filter is OK I'm not sure about the part with setting it up off a solar panel though :) .
The UV will affect anything that goes through it which means that bacteria attached to the media and string algae won't be affected.

I'm getting a UV filter ready to run on my Recirculating Aquaculture System but I'm making it so I can move it to my AP system if needed. It will be something like this one - http://www.plantedtank.net/forums/showthread.php?t=33922


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 Post subject: Re: Ben's IBC System
PostPosted: Apr 23rd, '15, 02:43 
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Took some initial measurements the other day:

NO3-: 25 mg/l
NO2-: 0 mg/l
GH: 8
KH: 7.2
Cl2: 1.5
pH: 7.6

(some of them were quite hard to read, i.e. didn't match the card well, so very approximate)

Am now going to add household Ammonia as per:

1.Add the ammonia to the tank a little at a time until you obtain a reading from your ammonia kit of ~5 ppm.
2.Record the amount of ammonia that this took, and then add that amount daily until the nitrite appears (0.5 ppm)
3.Once nitrites appear, cut back the daily dose of ammonia to half the original volume.
4.Once nitrates appear (5 – 10 ppm), and the nitrites have dropped to zero, you can add your fish.

However, rather annoyingly my test kit doesn't measure Ammonia, only nitrates/nitrites :-(

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 Post subject: Re: Ben's IBC System
PostPosted: Apr 23rd, '15, 03:03 
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You can sometimes find the ammonia test as a separate test kit and just buy this (You really should have this IMHO).


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 Post subject: Re: Ben's IBC System
PostPosted: Apr 23rd, '15, 03:07 
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I originally just had the Tetra Test 6-in-1, but have ordered the API Freshwater Master Test Kit.

Any advice on how much seaweed to add to essential nutrients?

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 Post subject: Re: Ben's IBC System
PostPosted: Apr 23rd, '15, 05:03 
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I'm not sure what kind you're getting but this should work for foliar feeding - 1 Oz per gallon or about 30mls per 3.8 L then spray directly on plants. I'll use it occasionally but not on a regular basis - usually when I see the plants aren't growing well or I have a potassium deficiency starting. Others cycle their system then do regular additions added to their system water after this - that's probably what's going on with the information below;

Seasol - 250ml/1000L initially then 2-3 capfuls per week until cycled. One capful per week as needed after this.

Maxicrop - Between .25 and .5 Oz per each 10 gallons for first dose then 1 Oz per 200 gallons every two weeks. Reduce or stop additions if deficiency symptoms go away.


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 Post subject: Re: Ben's IBC System
PostPosted: Apr 26th, '15, 22:28 
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Have put a full write-up here on our new family blog:

http://www.weeksfamilyeco.org/blog/2015 ... bc-system/

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 Post subject: Re: Ben's IBC System
PostPosted: Apr 30th, '15, 04:20 
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OK, so here are some updates:

18th April (measured using strips)
NO3-: 25 mg/l
NO2-: 0 mg/l
GH: 8
KH: 7.2
Cl2: 1.5
pH: 7.6

Then added 5 cap fulls of household ammonia, on the 23rd I think it was.

24th April (measured using strips)
NO3-: 50 mg/l
NO2-: 1 mg/l
GH: 8
KH: 8.2
Cl2: 0
pH: 8.2

25th April (measured using solutions)
Ammonia: 6 ppm
pH: 7.6+
pH (high): 8.4
Nitrite: 0 ppm
Nitrate: 0 ppm

28th April (measured using solutions)
Ammonia: 4 ppm
pH: 7.6+
pH (high): 8.4
Nitrite: 0 ppm
Nitrate: 5 ppm

29th April (measured using solutions)
Ammonia: 2 ppm
Nitrite: 0 ppm
Nitrate: 7.5 ppm
pH (high): 8.3

Some questions I have:

(1) Should I add any more ammonia?
(2) I assume Ammonia needs to be near enough zero (less than 0.5ppm) to add fish?
(3) Will the pH drop as the ammonia decreases? (I assume so as it went up when I added it, but it is still high despite ammonia decreasing)
(4) Am I OK to add some plants now there are Nitrates or will the high levels of ammonia cause issues? (I have plants in the greenhouse that are ready to go out).
(5) I didn't see any Nitrites - did I simply not measure sufficiently regularly to see this before it was converted again to nitrates?
(6) Am I being overly hopefully to be ready for fish on the 9th May?

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 Post subject: Re: Ben's IBC System
PostPosted: Apr 30th, '15, 06:24 
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With regards to questions (1) and (2), from another post, I have read: "To see if you are cycled up. I usually just dose to about 1-2 ppm of ammonia and if both ammonia and nitrite get down to 0 in less than 24 hours, I figure it is good." So I assume once Ammonia goes to zero, I'll dose it up to 2 ppm and see if it goes down in 24 hours, if not, repeat until it does.

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 Post subject: Re: Ben's IBC System
PostPosted: Apr 30th, '15, 13:06 
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Sorry Ben, missed your last couple of posts I've been getting some baby chicks setup in a brooder.

Dosing up to 1 to 2 ppm should be fine as a test :thumbright:.

1. Do the 1 to 2 ppm addition just to be sure.

2. The toxicity of ammonia varies with pH and Temp. I'd probably let it go to zero anyway.

3. Probably although that will depend to a certain extent on the buffering capacity of the water in your system. As nitrification continues over time the pH will come down - this can be fairly soon (think days to weeks) or never, depending again on the buffering capacity.

4. Yes add the plants now.

5. Nitrites are processed very quickly so it's not unusual for this to happen. The warmer the water the faster the cycling usually happens (within reason of course).

6. No, it seems like this will happen and you should be fully cycled in the next few days but it's not necessarily a sure thing.

Cheers


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