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Filter media
#1
Would you recommend bio home or alfagrog filter media, I plan to follow pond guru on the set up but I see alfagrog is all the rage now lol and how often do you have to clean them
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#2
I've used both. I have about 5KG of alfagrog spare and currently run bio home maxi ultra on my 24L nano ( over kill but i had it left from a 300ish litre tank )
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  • Kingoftheseas
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#3
(29-01-2019, 04:27 PM)fr499y Wrote: I've used both. I have about 5KG of alfagrog spare and currently run bio home maxi ultra on my 24L nano ( over kill but i had it left from a 300ish litre tank )

I suppose they do the same job might get some biohome off eBay then
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#4
alfagrog is a lot cheaper Wink
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  • Kingoftheseas
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#5
How accurate is the sales patter of a complete cycle pond guru uses,biohomes ability to reduce nitrates?

Sent from my SM-A600FN using Tapatalk
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#6
(09-02-2019, 08:03 PM)piker Wrote: How accurate is the sales patter of a complete cycle pond guru uses,biohomes ability to reduce nitrates?

Sent from my SM-A600FN using Tapatalk

Subjectively is all I've seen.

Thing is, it would be easy to prove or disprove if he or anyone else were so inclined. Just set up 2 or 3 identical tanks, 20litres or something. Identical filters, same heaters, different media in each and add the same amount of nitrates to each tank and see if the one with biohome reduces nitrates the lowest over the months.

If you look at scientific papers on the O2 levels required for denitrification, there's arguments as to whether you'll get that in a fast flowing canister filter with highly oxygenated aquarium water or not.

I suspect if it was as easy as adding a certain type of media they might have tried it here...

https://www.sciencedirect.com/science/ar...241400008X
[Image: 2Tsph5y]
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#7
(10-02-2019, 01:27 PM)Jota Wrote:
(09-02-2019, 08:03 PM)piker Wrote: How accurate is the sales patter of a complete cycle pond guru uses,biohomes ability to reduce nitrates?

Sent from my SM-A600FN using Tapatalk

Subjectively is all I've seen.

Thing is, it would be easy to prove or disprove if he or anyone else were so inclined.  Just set up 2 or 3 identical tanks, 20litres or something.  Identical filters, same heaters, different media in each and add the same amount of nitrates to each tank and see if the one with biohome reduces nitrates the lowest over the months.

If you look at scientific papers on the O2 levels required for denitrification, there's arguments as to whether you'll get that in a fast flowing canister filter with highly oxygenated aquarium water or not.

I suspect if it was as easy as adding a certain type of media they might have tried it here...

https://www.sciencedirect.com/science/ar...241400008X

Pond guru is a salesman, he is going to say an item he sells is the dogs danglies isn't he. A prime example is his YouTube "pimp my filter" vids, what does he use, yep Biohome. And vastly overpriced. JMO.  Wink

Ian.
Juwel Rio 450 LED

14 Rummynose Tetras
12 Glowlight Tetras
16 Cardinal Tetras
6 Red Phantom Tetras
6 Silvertip Tetras
6 Cherry Barbs
1 Pearl Gourami (female)
5 Sterbai Corys
3 Bandit Corys 
2 Panda Corys 
2 Bristlenose Plecs (how many)
4 Bolivian Rams

Tank 83% stocked with above housemates.  Smile
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  • Jota
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#8
I have used Biohome mini ultra in the past but have returned to the Eheim Substratpro which I prefer.
Both are made from sintered glass so it's just my preference.

Hope it helps
6 foot (600L) South America Rio Guaporé river theme.

7 x Biotodoma cupido, 2 x wild caught Apistogramma trifasciata, 15 x Gymnocorymbus ternetzi, 20 x Hyphessobrycon eques, 30 x Hyphessobrycon herbertaxelrodi, 13 x Corydoras Sterbai, 12 x Corydoras caudimaculatus, 9 x Otocinclus sp.
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#9
using the same substratpro in my Aqua-Pro 200 filter for the past 5 years now. still seems to work as it should.
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#10
(10-02-2019, 06:36 PM)wingnut55 Wrote:
(10-02-2019, 01:27 PM)Jota Wrote:
(09-02-2019, 08:03 PM)piker Wrote: How accurate is the sales patter of a complete cycle pond guru uses,biohomes ability to reduce nitrates?

Sent from my SM-A600FN using Tapatalk

Subjectively is all I've seen.

Thing is, it would be easy to prove or disprove if he or anyone else were so inclined.  Just set up 2 or 3 identical tanks, 20litres or something.  Identical filters, same heaters, different media in each and add the same amount of nitrates to each tank and see if the one with biohome reduces nitrates the lowest over the months.

If you look at scientific papers on the O2 levels required for denitrification, there's arguments as to whether you'll get that in a fast flowing canister filter with highly oxygenated aquarium water or not.

I suspect if it was as easy as adding a certain type of media they might have tried it here...

https://www.sciencedirect.com/science/ar...241400008X

Pond guru is a salesman, he is going to say an item he sells is the dogs danglies isn't he. A prime example is his YouTube "pimp my filter" vids, what does he use, yep Biohome. And vastly overpriced. JMO.  Wink

Ian.

That's my thinking. It would be straightforward to prove or disprove the effect of that media in a properly set up test. Subjective reviews can only be of so much use. It's the same in the HiFi 'audiophile sphere with people swearing by 10 grand ethernet cables or Brilliant pebbles which "tune the room and audio system based on special physical properties of highly symmetrical crystal structures." They're just pebbles like the one's you put in aquariums!

As for his 'pimp my filter' series. I get the concept but wonder what impact on flow rate and maintenence frequency his approach might have. Bio media 'blocks' with biofilm anyway and putting fine filter floss before the bio media wont stop that. It's what the bacteria do.
[Image: 2Tsph5y]
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