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Thread: Let’s see how this pans out
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19-06-2019, 10:57 PM #61
Thanks, its massively frustrating as if I could crack it would make the whole feed process so much easier.. If I could replicate the bloom I get in some of the 25l tubs in the 500l tanks things would be rocking!
Happy to play and through the summer its the ideal time to learn and develop.. even if its for 2020. How would you suggest I prep a 500L tank?
Many thanks
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21-06-2019, 11:34 AM #62
500ltr of pond water, will soon go green, could pass through a daphnia collection sieve to ensure its free of zoo plankton.
think of that as your mother culture, dilute it down by taking a starter culture from it and retooling up the same way, if inside in winter, allow the pond water to warm to room temperature first, just in case it knocks things back. add that starter to either treated tapwater (faster than all that straining) or strained pond water, as it colours up then add a mixed randomised haul of daphnia, that way you get some that are reproducing, some that will in days and some that are probably on last legs, (used to have to hand sort with a scope for a certain instar, though that was not the stock setup but a experiment batch).
add them and watch the population grow, in time you will get a feel for how long they last before they start to crash, and don't forget to frequently water change using the nice pea soup you have grown, start a series off a week or so apart to have a constant stream and back up and every now and then give the container a full clean and fresh stocking,the slow pond build thread
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21-06-2019, 01:40 PM #63
Briefly going back to your artemia production, there's many different ways to separate the shells but the following worked best for me.
I used to raise them in large glass sweet jars - the old fashion ones where Grandad would buy you a 1/4 Ib if you'd been good!
Turn the aerator off, put a light bulb at mid-water level, wait 2 or 3 minutes.
The shells will either sink or float and your entire artemia population will be congregated where the light is.
Then syphon them out into a mesh over a jug.
You'll get 100% pure brine shrimp with zero shells mixed in.
Once the population has gone rinse out the jar, refill and start again.
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21-06-2019, 01:45 PM #64
Can't get my mind off Chocolate Dust, Rhubarb & Custard, Army & Navy, and Strawberry Bon Bons since that post!
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21-06-2019, 02:05 PM #65
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21-06-2019, 02:10 PM #66
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freddyboy Thanked / Liked this Post
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21-06-2019, 07:18 PM #67
WIth some relief got the feeders running on the fry systems, hopefully will give me a little more kip.
With .3 to .5mm powder the profi copes , but it needs to be level...
the little tetra feeders are an alternate just a shame they have limited feed options.
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21-06-2019, 09:41 PM #68
I have 500 grams of Queni stage 3...... Way more than I'm going to need so prepare yourself a 300 gram tub!
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21-06-2019, 09:56 PM #69
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21-06-2019, 10:10 PM #70Built not bought!
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21-06-2019, 11:10 PM #71
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26-06-2019, 06:34 AM #72
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26-06-2019, 07:32 AM #73
We where teased with the taunts of an update on here lol
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26-06-2019, 07:46 AM #74
Personally I prefer Eheim feeders over Tetra ones - use it for many years on my tropical tanks - now running twin feeder and the std one on my discus tank as this feeds three different varieties of food dosed - Tetra based - as my humble opinion Terta has best fish food for tropical fish.
Just food for thoughtYou get what you pay for - or better - what you make yourself.
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freddyboy Thanked / Liked this Post
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26-06-2019, 07:47 AM #75
Weekly ish update..
Pics will follow.
Temp wise yes 25C, the ambient water temp in the indoor tanks is 22-23C so no great issue pushing it up a fraction. The Wildlife pond is run through an ASHP andat the current ambient air temps is real efficient and very cost effective form of heating
I took an Executive decision that there were too many in the inside tank T2. This one was the tank I heavily stocked (circa 12,000 hatchlings) .. So drained the tank, had a clean up, netted the fry and had a sort through.. This wasn't asy…… Indeed incredibly frustrating, aim was to pull out the Tobies, stray yellows, deformaties and the weaker fry. Overall I’d give myself maybe a 5 out of 10 rating for the exercise and it was one of the lows that you suffer.
Spent the next couple of days looking at T2 and thinking I’d overdone the weeding out ..but the fry in there consolidated, got their act together started feeding again and panic over.
The decision to move to ZM300 powder has proved a good one,with hindsight should have been made earlier. Clear they could eat the grains. I rigged up profi feeders on both inside tanks and the wildlife pond and added some ZM300. They just about cope wih the particle size. The stronger fry in T3 went on 1 min total feed time spread over 16 feeds, T2 set at 35seconds 10 feeds. WLP 1 min 40 secs and 20 feeds.
Ive also had a play with tetra feeders. Load cheaper than the profis! Limitation being that you can only run 3 feeds a day from eachunit. Advantage is they are a safer option in terms of avoiding overfeeding .
Growth has really started to take off (at last).. they are still small but weight wise have more than doubled in the week. Transition to fry from hatchlings is complete.
What is clear is that I need to move up to ZM400, the next grade powder in T3 and the WLP, T2 is maybe 3-4 days behind.
The critical second selection is starting to loom up, ideal would be to leave this another couple of weeks but will have to see how things pan out .
Daphnia side of things I am still playing! Greened up some buckets of pond water and seeing how this goes. I am thinking that the buckets inside may be starting to get too warm during the height of the day? (air temps in the fish house climb into the 40s..)Last edited by Davej; 26-06-2019 at 08:37 AM.
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26-06-2019, 07:52 AM #76
Busy bloke!
Looking forward to the selection stages with plenty of images.
Keep up the hard graft mate.
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26-06-2019, 07:58 AM #77
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27-06-2019, 09:09 PM #78
The really exciting news is that I have had a population explosion in the 100gallon daphnia tanks
I chucked in a dozen or so blanched lettuce leaves 10 days ago and have been feeding yeast when the water clears, did a big water change using lightish green water from the wildlife pond Friday, and bang this evening the numbers are there!
To top it the pond has gone much deeper green so after harvesting a few decent net fulls this evening I am pumping in pond water to get the green back in the tanks..
Thanks Guys for your input on this, it has helped a load....if this isn't just a lucky break then it will make things a load easier, after selection the numbers will be significantly less than current and just maybe the "natural" food source is a possibility.
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28-06-2019, 07:39 AM #79
Where's our pictures mate?
Great work glad the living lunch is coming together for you. These things are gonna blow up in no time. Have you anymore space to build more ponds
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28-06-2019, 07:29 PM #80
The Daily pond temp thread
Yep , forecast snow here ! Hoping so more money to be made gritting lol Sent from my SM-S918B...