Three combinations to choose from - The Planted Tank Forum
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post #1 of 5 (permalink) Old 04-21-2015, 11:50 AM Thread Starter
Algae Grower
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Three combinations to choose from

I need to load my HOB filter which ones i can use here are the options.
Ceramic rings

Please tell me. Any help would be appreciated.

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post #2 of 5 (permalink) Old 04-21-2015, 01:10 PM
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It all depends on what you want to do.

In my AC filters I usually run two sponges and the ceramic media. Most of the time there is no need to run anything else, carbon ammonia chips and other stud can be added on an as needed basis but is not needed for everyday use. If you provide a little bit more information about what's going in and what you are looking to achieve then you could get a more specific answer

lots to learn...
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as always, any comments, questions or criticisms are greatly appreciated.
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post #3 of 5 (permalink) Old 04-21-2015, 04:20 PM
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Assuming your tank is planted:

Purigen - Chemical media - I and many others like this product, it helps polish the water up. I do not think it is in any way necessary however. Regardless, I keep a pouch of it in the C4 on my main tank and like the results. It is more selective than carbon, and would be used instead of carbon.

Carbon - Chemical media - As above, not needed on a daily basis, and may even be detrimental in a planted tank as it may adsorb some of your micro nutrients. Use as needed when removing medications from the water.

Phosguard - Chemical media - removes phosphorus which plants need. This is really more for reef and/or non-planted tanks. Could be detrimental to plant health unless you have very high phosphorus content water.

Denitrite - Bio media - This product only goes into low-flow reactors, not HOB filters. Seachem Matrix is the equivalent for high-flow setups like this.

Ceramic rings - Mechanical or Bio media - Comes in two kinds, non-porous is for mechanical filtration and mostly used in canister filters. Porous ceramic rings are one of many biomedia options, like Matrix, Substrat, etc. You'll probably want some kind of biomedia.

If you notice above, I categorized all the media into 3 categories.

Mechanical media - mechanically traps particles of stuff floating around in your water

Bio media - Hosts bacteria that break down nitrogen wastes (ie: ammonia).

Chemical media - adsorbs various chemicals (depending on the media) from the water and traps them.

New to planted tanks, avid gardener/tinkerer.

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Fluval C4 + Quietflow 30, Finnex Planted+ with
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post #4 of 5 (permalink) Old 04-21-2015, 06:47 PM
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I've always just used a sponge and ceramic rings in my HOB's. Shouldn't really need anything else unless you have a problem.
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post #5 of 5 (permalink) Old 04-22-2015, 02:04 AM
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My filters also are pretty heavy in the mechanical media- different cell count of sponges, floss and so on, and a small amount of bio media. Not much- the bacteria grow on the sponges, etc quite well.
Some tanks get some chemical media- hard water tanks get some coral sand, oyster shell grit or limestone/dolomite grit. Black water tanks get peat moss.
I have activated carbon and zeolite on hand for emergencies, but it has been several years since I used any of them.
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