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PostPosted: Jan 28th, '10, 19:43 
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having trouble getting photos off camera from the weekend so they will have to wait.

Bought a few airstones today and hooked up 2x100mm airstone discs teed off all 4 outlets of the muther pumper. Aeration definately makes a difference to cleaner water ie: ammonia and nitrites as it looks like we have got through the weekend no worries with Amm and Ites still down today and feeding back to 2-3 times a day. I would like to up my feed rate to maximum now so will start feeding 3 times a day if possible. The SP have not grown much lately with the lack of feed they have been getting and are all still no more than 50mm in length. I am currently feeding 4-5 big pinches of feed each feed. Is this enough, it seems that they chase the larger bits that sink to the bottom and go nuts on that but don't really go for the dust on top of the water. Although thats not to say they don't eat it once I've left, not seeing any build up of feed on the bottom either.
What would be the maximum I could feed these fish or should I just keep feeding them and testing the water and adjust accordingly?

Looks like I will use the remaining water in my rainwater tanks to clean out my IBC's tomorrow. And then make a purchase of 10000lts next week to fill them up again and fill my IBC's again for a final rinse. Pity we just don't get any rain.

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PostPosted: Jan 28th, '10, 20:18 
At that size ... you should be feeding a daily feed rate of 3-5% of bio-mass... (that's number of fish x average weight)....

But that's somewhat dependant on water temp.... and whether or not you have sufficient filtration capacity...


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PostPosted: Feb 5th, '10, 09:06 
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Just a quick update, Things have been running rather well lately, I still have a power problem with my shed, the recently installed circuit breaker keeps tripping the shed and half the kitchen...... need to get the sparky back ASAP.

I have been pretty lucky with the power tripping as it often happens over night and when we get up in the morning to make breakfast we realise the toaster isn't working and go out and reset the switch.

I have had a number of quite high Nitrite spikes due to this but since installing the Muther pumper and 2 large air stones it seems to come back down very quickly. I am now a big believer of "there is no such thing as too much aeration"

Have up-ed the feed rate to 3 times aday approx 45g total daily.
Even with the power outages I have managed to feed 3 times a day most days.

Plants seem to be loving the Nitrates too which are between 40-80.
Some more seedlings starting to sprout too.

Went ahead and set up my solar backup system yesterday. Had a trial run with the panel in full sun and my little 2W air pump running through the 1000W inverter and everything seemed to be running fine.
Knocked up a small slanted cover out of sprap wood and roof sheet to mount the panel on and enclose the battery, invereter and muther pumper.
Took the whole thing out the back of shed to setup this morning and it cut out after 10sec running the 10W muther pumper. Its is extremely overcast today but I have a feeling the 10W pump is just too much for the solar backup. I will buy a smaller air pump to see if I can get it to run more effectively and maybe even run on a timer.

I will try and take some more photos this weekend and post more soon.

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PostPosted: Mar 1st, '10, 13:27 
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Hi all, the expansion took a step in the right direction on the weekend, and the GF actually jumped in to give me hand too.
I have setup the 2nd FT and GB system just need to add plumbing, water, grow medium, and start fishlessly cycling.
Would like to try to fishlessly cycle the trout tank seperate from the SP tank before opening valves and bring the system all online together.
Once we had the second tank in position we decided to move all the water and fish to the second tank to give the SP tank a good clean and remove the gravel from the bottom of the tank.
Attachment:
File comment: SP and GF being transfered for tank cleaning
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With the most water drained from the SP tank I used a net to scrape the gravel from the bottom of the tank and boy did it stink. Actually had a real septic smell. There was a lot of uneaten food, waste and gravel dust, which was very difficult to remove but using the pressure washer and a lot of patience we got the tank completely cleaned and drained.
Removing the fish from the tank we counted 53 SP and 4 BIG goldfish. 6 little SP runts were transfered to the herb system in the shed with the 7 GoldFish and 2 yabbies that have been running in that system for nearly 12 months. The idea is to keep this system heated over winter and see if I can grow these little guys up while the other onces go off the feed over winter. It was amazing to see the size of the Goldfish in the SP tank compared to the ones in the prototype/herb tank. I would say they are 1.5 times the size of the ones in the herb tank and they were all bought at the same size and time way back when I started the herb system. SP tank goldies are about 100mm with big fat round guts.
Attachment:
File comment: Nice clean tank (well nearly) and fish back in their home.
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Was showing the systems off to a couple of friends yesterday afternoon and while standing there next to the herb system we noticed one of the SP runts swim into the little yabbie cave and sure enough out came the yabbie with a gourmet dinner. Was a little worried this may happen but after finding 3 bonus SP I'm not too worried. Just means I will have no problem eating that yabbie one day. Fairs, Fair.

The GB on the SP tank is really starting to go wonderfully, got some tomatoes growing and plenty flowers, there are some cucumbers starting to form, cauliflower seedlings are forming well, and radishes are nearly ready to pick, they are amazingly quick growers. Actaully picked the first harvest from the GB yesterday, 2 big red juicy strawberries. And they were amazingly sweet! I had been worried about them maybe tasting salty as I planted the strawberry plant not long after I added 1ppt salt and reading that strawberries hate salt was suprised for it to even flower and fruit, but yum yum, they were fine!
Attachment:
File comment: Two big strawberries ready for eating! Yum
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PostPosted: Mar 1st, '10, 13:43 
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Here's a few more photo's I promised a while back. Adelaide fishing trip.
Attachment:
File comment: Too heavy to lift with a bung knee and a 2m swell!
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File comment: Nice size Snapper
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File comment: Thats better, a bit lighter now and boat a lot more stable
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PostPosted: Mar 1st, '10, 14:12 
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Some more photo's, I know how much we love photos!


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File comment: GB comparo Tomatoes
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File comment: GB comparo, beetroot, leeks.
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PostPosted: Mar 1st, '10, 14:16 
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And some more.......


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File comment: First Cucumber
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PostPosted: Mar 5th, '10, 23:31 
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Looking good BB
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Matt

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PostPosted: Mar 10th, '10, 15:56 
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Looking at my SP the last few days and I reckon there are a couple that have grown dramaticly since cleaning the bottom of the tank out. Just curious as to whether this can be possible and if so what could be causing it. :think: :dontknow:
Water temps have not been higher than 22 degrees
Feeding has been less as I can now see the left over food on the bottom of the tank and feed accordingly.

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PostPosted: Mar 10th, '10, 16:32 
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BNDYBEAR wrote:
Feeding has been less as I can now see the left over food on the bottom of the tank and feed accordingly.


That's why i'm guessing!

Your system is looking great by the way! A bit different to when I last visited!

How was camping? Did you drown!

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PostPosted: May 21st, '10, 19:51 
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Wow its been a while since I've updated anything so here goes.
Things have actually been happening lately, a few little problems in the prototype system (sick fish) I'll post about it in the other thread.
On the expansion system I pulled out all my pumpkins from the earth around the area where the expansion is to go so started laying out the sump/yabbie tank/s. I have had water sitting in the FT2 since transfering fish for the big clean out. The periodic tests on this tank are really baffling me. I'm still concerned about the "treated" pine I havve used as GB support on my IBC for the second AP setup. The readings on this water about a month ago showed:
PH: off the high end of the high ph scale (dark purple?)
amm: 0.5
ites: .5
ates: 20

I put tank water (ph 7.6) in this system a few weeks after the big FT1 clean out. I set the GB up on top and washed the river pebble in a wheelbarrow and then cylced the water a few times through the GB to do a final flush of the pebbles. I have always planned to dump this water and refresh it once I was confident that the timber wasn't leaching anything bad into the water.
The extremely high PH after a few weeks of settling was a real suprise yet I did experience rather high Ph in my AP1 but put it down to the TAP water which started at PH 8.2 i think from memory.

I did more tests on this system this week to find something even more startling:
PH: of the low end of the low ph scale ( pale pale yellow)
amm: trace
ites: trace
ates: 10

The water has just been sitting in the FT not cylcing as my solar battery back up pump carked it after running for 12 hours. SO
Although I plan to dump the water and have now purchased a new electric pump to run the expansion system, I am concerned about the HUGE :shock: swing in the PH in a static system and also mabye the trace of any elements that have leached from the "treated" timber specifically copper. Is there a DIY test for water to test for elements like this?
I'll try post some pics!

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PostPosted: Jun 25th, '10, 08:25 
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Work has been quiet last 2 days but its been too wet and windy to be outside working on the system, espescially since i cant shake this lurgy.
Did start changing some things the wednesday arvo. I have decided not to use the treated timber anywhere that it can seep into any part of the system...... So basically need to start again. Remove the GB3 from top of sump tanks(lucky there is nothing in the GB3 yet), remove treated timber GB3 supports, remove sump tanks, use treated timber as sump tank base instead of the limited number of pavers I was using.

thats where I am right now and if it ever stops raining today I will...... level the timber base, reposition the sumptanks, use oregon timber supports for the GB3, reposition GB3, and install syphon.........then........start moving the washed gravel from the GB2 to GB3, remove GB2 from treated timber supports, replace treated timber supports with oregon supports, replace GB2 and start washing more gravel to finish filling GB2&3.

Then start the plumbing works to interconnect everything. I plan to have the system modular so I can isolate the 2 FT's and also the 2 ST's if needed.

HHHMMMMM, still raining! Its been raining since 4am!
:upset: :upset:

I have decided it might be too late in the season to be getting trout, especially since the system is not ready yet. I think I will get everything online and move my Gold fish from the prototype system into the FT2 (future trout tank) and wait till next March to get my trout. At least i will have had the expansion system running for a while before thowing some trout in and encountering problems.

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PostPosted: Jun 25th, '10, 08:56 
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Here is a photo taken a few weeks back, you can see the initial system on the left, the second FT and GB setup next to that and then my 2 sump tanks (ST and Yabbie tank).
Not seen in this picture will be a 500lt black poly GB that will sit above the 2 ST's and syphon into the one 2nd from the right. This will be my sump containing my pump but will be interconnected to the ST(yabbie tank) to the far right to increase sump capacity.

Oh and its still raining. :( at least its good for the dirt vegie patch.


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PostPosted: Jun 25th, '10, 14:10 
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well its still raining! down pipes overflowing at ground level, river running down the drive way.... wish i had installed those strip drains that are stacked inside my shed that is now slowly filling with water again.
I reckon we have had 40-50 mm over the last 24hrs maybe more.
will be interested to check the rain gauge if/when it finally stops.
Checked the AP outside before and FT is filling up, no need to panic yet though.
Ute is getting good wash!

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PostPosted: Jun 25th, '10, 16:17 
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BB,

I'm thinking about getting trout still this weekend from Buxton, 90c each and are 4 - 5 inches. To me it sounds like they are not fingerlings any more so i'm going to give them a crack because to purchase some goldies it costs $2.50 each. Can get some if you want? Most likely heading up on Monday as I have an RDO :D :D
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