Results 241 to 260 of 308
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21-05-2020, 07:44 PM #241
I hear what your saying, its also a very good idea. thank you,
Ive done alot of research on the filter side of my pond as i feel its the most important area and where a large portion of thought has gone, the Combi Bio TC i felt offered a very good mechanical filter (as do all drums) followed by a moving bed and then mountain tree lotus bacteria house, I also like the Bakki but cant work that into my design without it looking imposing, obviously the idea would save the cost of the combined unit considerably. I think ill have to have a think and go back to the drawing book. Thank you for your help and advice, ill look forward to seeing what you find.
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freddyboy Thanked / Liked this Post
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21-05-2020, 09:13 PM #242
There’s a chap online who makes some proper funky stainless showers so they don’t have to look boring.
Have a google “custom bakki showers”.
I’ve not seen one in the flesh but the photos look really smart.
The planning and mind changing is all part of the fun
I think I’d done at least 10 different designs for mine before building it and I’d still do it different now If I had a lottery windfall
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22-05-2020, 12:32 PM #243
I found this very interesting paper: https://hal.archives-ouvertes.fr/hal-01883538/document
Have a read of the third page (marked 44). It gives info about running aerobic and anoxic for example.
Additionally - this is interesting, the process of denitrification can be made better by a source carbon being added:
A process flow diagram for the denitrification filter system is shown in Figure 4.1. As indicated, nitrified effluent from the full scale activated sludge process (secondary treatment) was utilized as influent to the pilot scale denitrification filter. Carbonaceous biochemical oxygen demand (CBOD5) concentrations at this point were consumed. Therefore an external carbon source was provided to meet the carbon requirements for denitrification.
So I wonder if carbon powder is added to the clay in the centre, it would help the filter perform even better (this is not activated carbon).
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28-05-2020, 12:36 PM #244
I think my new baskets are kicking in now, zero on api, 0.012 on the Seneye which is the lowest it’s ever been.
Think we might be onto a winner with this new media Steve
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28-05-2020, 01:34 PM #245
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bigcarpchaser, RS2OOO Thanked / Liked this Post
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28-05-2020, 03:23 PM #246
Nice one BCC.
Sent you a PM the other day, did you get it? Wasn't sure if I got your username wrong as there are 2 BCC profiles.
My pond has been through 4 hours PP and a heavy dose of FMG over the last week, parameters have stayed perfect.
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28-05-2020, 03:37 PM #247
I did Steve...thought I’d replied..apologies if not. I was waffling on about reading it twice
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28-05-2020, 05:46 PM #248
That's one question. If the filter baskets have water + medical treatments permeating through - how do you ensure one has gone before you start the next?
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28-05-2020, 05:52 PM #249
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28-05-2020, 06:34 PM #250
True, probably in reality not much colder than a plastic equivalent, turn it down a notch and wrap it up lol.
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28-05-2020, 06:36 PM #251
Anoxic Filtration - So Shocked I Nearly Burnt my Dinner
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28-05-2020, 07:14 PM #252
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25-06-2020, 05:43 PM #253
Just an update on how the Anoxic filter has handled multiple pond treatments over a 7 week period.
- 4 hours of PP, started feeding again the following morning - Parameters stayed perfect.
- 2 doses of FMG at the standard dose 6 days apart - Started feeding 30 hours after each dose, Parameters stayed perfect.
- 7 days later s double dose of FMG (not recommended!) - Started feeding after 36 hours, Parameters stayed perfect.
- A 12 day gap and finally 2 doses of Alparex on subsequent days - Appetites down after this so feeding didn't get back to normal levels until 62 hours post treatment, Parameters still perfect.
On the double FMG dose the fish were struggling a bit for air so I turned the air off the moving bed and used it in the pond. Dissolved oxygen was between 2mg/l and 5mg/l in the moving bed filter so I'd have thought combined with the FMG the moving bed bacteria should have been significantly damaged, yet parameters still stayed perfect.
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freddyboy Thanked / Liked this Post
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25-06-2020, 06:16 PM #254
So even with a sustained attack, it seems that the bacteria are kept far enough away from the chemicals. Goes some way to provide evidence that chemicals aren't killing off the filters.
The question is - why the repeated treatments? Are eggs for flukes been held in the anoxic area? However you'd expect the treatments to impact the hatches too regardless.14000l, my mutts: Chargoi (2010), Doitsu (2022), Tancho (2022), Kujaku (2022), Hi Utusri (2022)
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26-06-2020, 06:01 AM #255
Good to know mate. Mine never altered either. After all my treatments. Water parameters where all good. None anoxic.
Fred
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RS2OOO Thanked / Liked this Post
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26-06-2020, 09:17 AM #256
Not flukes.
Costia that wouldn't go away.
Main point was that I turned air off to moving bed at a time where both dissolved oxygen in the water was dangerously low and the water was filled with anti bacterial chemicals. This would surely have damaged the traditional bio, but parameters remained perfect, where I guess the Anoxic took up the slack because the chemicals didn't travel through the baskets.
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26-06-2020, 09:27 AM #257
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26-06-2020, 11:54 AM #258
Read a bit further up this thread John and you'll see we changed to a pre-graded pink moler clay sold for bonsai trees. There are links to the website further up this thread.
It doesn't need washing like cat litter as it has no dust. 14l bag does 3 baskets. Massive time saving over normal dusty cat litter and worth the money. In fact I found it cheaper after accounting for wastage.
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29-07-2020, 10:12 AM #259
This has been a very interesting read and I think I will be going Anoxic with my new pond build.
A quick question regarding the laterite alternative - did you guys use JBL Aquabasis Plus as recommended in the Manky Sanke article? I swear I read somewhere that JBL Manado can also be used, which would be great as it can be purchased in larger bags for slightly cheaper?
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RS2OOO Thanked / Liked this Post
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29-07-2020, 11:25 AM #2601kGal BD/Skim RDF/UV/k1 2.3kGal 2windows 2airBD/skim Sieve/Eazypod RDFcombi+bakki 3xVP/UV,ASHP
Best plants to remove Nitrate
pug has a very impressive veg filter on his pond, have a look at some of his his youtube videos....