Biological filtration for cold water tank

2smokes · 10/12/2016, 06:35 PM

What would be a good biological filtration for a coldwater tank?Filtration made by bacteria isnt that effective in cold water.Will an algae scrubber work in cold water and how cold ,wich type of plants should be used ?

AquaticEngineer · 11/09/2016, 04:05 PM

Algae scrubbers work alright on a coldwater tank from my experience. But for any biological filtration you'll want to oversize the media and probably vodka dose or use bio-pellets.

A lot of it depends on the volume of the system though, if its on the smaller side I would just do water changes and run good skimmer.

2smokes · 11/09/2016, 04:16 PM

Il run no skimmer and the water changes i plan to do twice a year probably.But i will have a good algae scrubber and even somme little live rock.Nitrates and phosphates are not a problem because i dont keep corals and the aquarium will be dark so algae growth in the display wont be a problem eyther.I was thinking to use plants that are more resistant in the cold waters for the algae scrubber, like ulva instead of green hair algae.

SantaMonica · 11/10/2016, 10:38 PM

A scrubber will remove more nutrients, more quickly, than macros. If that's your goal.

If the goal is looks, then ulva

2smokes · 11/11/2016, 01:44 AM

My goal is filtration not looks but i thoght at ulva because i have seened a few algaescrubbers that grow ulva instead of GHA(thats by mistake ,not on purpose).For me is not important if it grows ulva or GHA but if GHA fails to grow i might try to introduce ulva from the Black Sea ,wich grows well in cold water here.This guy grows ulva by mistake in his algae scrubber https://www.algaescrubbing.com/threa...pe-growth.554/ And this is another one that grows ulva on the algaescrubber verry well . https://www.youtube.com/watch?v=wD6kA3xDPaM

wildman926 · 11/11/2016, 09:35 AM

An ATS is your best bet for removing excess nutrients. Whatever it grows, is removing them. It is better to grow it in the ATS, than in your display tank.

SantaMonica · 11/11/2016, 05:42 PM

A high rate of nutrient removal is what you want then. This needs high light, thin growth to not block light, and rapid air/water interface to remove the boundary layers.

10/12/2016, 06:35 PM	#1
2smokes Moved On Join Date: Oct 2016 Location: romania Posts: 515	Biological filtration for cold water tank What would be a good biological filtration for a coldwater tank?Filtration made by bacteria isnt that effective in cold water.Will an algae scrubber work in cold water and how cold ,wich type of plants should be used ?

11/09/2016, 04:05 PM	#2
AquaticEngineer Registered Member Join Date: Apr 2007 Location: Damascus, OR. USA Posts: 413	Algae scrubbers work alright on a coldwater tank from my experience. But for any biological filtration you'll want to oversize the media and probably vodka dose or use bio-pellets. A lot of it depends on the volume of the system though, if its on the smaller side I would just do water changes and run good skimmer. __________________ COLDWATER MARINE AQUATICS Current Tank Info: Coldwater Cube thread: http://www.reefcentral.com/forums/showthread.php?t=2358372 Timelapse video of the tank: https://www.youtube.com/watch?v=n3IW8Z7eBPI

11/10/2016, 10:38 PM	#4
SantaMonica Registered Member Join Date: Feb 2007 Location: Santa Monica, California, USA Posts: 2,511	A scrubber will remove more nutrients, more quickly, than macros. If that's your goal. If the goal is looks, then ulva __________________ Inventor of the easy-to-DIY upflow scrubber, and also the waterfall scrubber that everyone loves to build: http://www.reefcentral.com/forums/showthread.php?t=1424843

11/11/2016, 01:44 AM	#5
2smokes Moved On Join Date: Oct 2016 Location: romania Posts: 515	My goal is filtration not looks but i thoght at ulva because i have seened a few algaescrubbers that grow ulva instead of GHA(thats by mistake ,not on purpose).For me is not important if it grows ulva or GHA but if GHA fails to grow i might try to introduce ulva from the Black Sea ,wich grows well in cold water here.This guy grows ulva by mistake in his algae scrubber https://www.algaescrubbing.com/threa...pe-growth.554/ And this is another one that grows ulva on the algaescrubber verry well . https://www.youtube.com/watch?v=wD6kA3xDPaM Last edited by 2smokes; 11/11/2016 at 01:50 AM.

11/11/2016, 09:35 AM	#6
wildman926 Registered Member Join Date: Feb 2011 Location: CTX Posts: 2,904	An ATS is your best bet for removing excess nutrients. Whatever it grows, is removing them. It is better to grow it in the ATS, than in your display tank. __________________ Beware of recommendations by those who don't actually use their recommendation!! The search function actually works quite well!! Tanks:Planet Aquarium 150g LPS, Planet Aquarium 90g Softie

11/09/2016, 04:16 PM	#3
2smokes Moved On Join Date: Oct 2016 Location: romania Posts: 515	Il run no skimmer and the water changes i plan to do twice a year probably.But i will have a good algae scrubber and even somme little live rock.Nitrates and phosphates are not a problem because i dont keep corals and the aquarium will be dark so algae growth in the display wont be a problem eyther.I was thinking to use plants that are more resistant in the cold waters for the algae scrubber, like ulva instead of green hair algae.

11/11/2016, 05:42 PM	#7
SantaMonica Registered Member Join Date: Feb 2007 Location: Santa Monica, California, USA Posts: 2,511	A high rate of nutrient removal is what you want then. This needs high light, thin growth to not block light, and rapid air/water interface to remove the boundary layers. __________________ Inventor of the easy-to-DIY upflow scrubber, and also the waterfall scrubber that everyone loves to build: http://www.reefcentral.com/forums/showthread.php?t=1424843