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SPONGE or not to SPONGE?


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I heard that adding filter medium like sponges will do more harm than good to the tank. Can you guys enlighten me the theory behind it? Thanks.

Tank 60x40x40 Optiwhite Glass Tank Sump Elos 500 w/ Tunze Overflow Protein Skimmer Skimz Kone SK1 Return Pump Hydor Seltz L30 Wavemaker Hydor K1 Illumination 150W + 2 T5 Chiller Arctica 1/5hp w/ Aquabee 1000 Water Top-up Tunze Osmolator Dosing Pumps Grotech 3-Channels Calcium Reactor Deltec PF 501 Computer Aquatronica

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Erm, hope the following would give a clearer idea

Sponge---->Traps food/fish poo/dirt--->Decompose into ammonia--->Create nitrite/nitrate--->Becomes nitrate factory

Of course, if you clean your sponge every now and then, shouldn't be much of a problem

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Oh cleaning it frequently I shall... stop using sponges I wont... buying better sponges I will... lol!

I always thought some reefers avoiding sponges coz they can be bacteria factory (just like ceramic, bio-ball and what not). I thought the sponge will fight with LR in terms of bacteria spawning, hence once we remove the sponge, it will cause a lack of biological filtration hence crashing the tank!

I will clean my filters every 1 1/2 weeks (with no fish feeding). Should be ok right?

Tank 60x40x40 Optiwhite Glass Tank Sump Elos 500 w/ Tunze Overflow Protein Skimmer Skimz Kone SK1 Return Pump Hydor Seltz L30 Wavemaker Hydor K1 Illumination 150W + 2 T5 Chiller Arctica 1/5hp w/ Aquabee 1000 Water Top-up Tunze Osmolator Dosing Pumps Grotech 3-Channels Calcium Reactor Deltec PF 501 Computer Aquatronica

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lol, the purposes of bioballs, ceremic rings are to house the bacterias, but it was found out later that they trap dirt also, thus fueling the nitrates to the water, hence many reefers abandoned them

however, there is some products that make use of bio-balls and such to de-nitrify the nitrates, for example, the aquamedic de-nitrifier(not sure whether this is the correct name).

no fish feeding? then i guess should be ok

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Lol! Yeah a bit confusing... :P

Tank 60x40x40 Optiwhite Glass Tank Sump Elos 500 w/ Tunze Overflow Protein Skimmer Skimz Kone SK1 Return Pump Hydor Seltz L30 Wavemaker Hydor K1 Illumination 150W + 2 T5 Chiller Arctica 1/5hp w/ Aquabee 1000 Water Top-up Tunze Osmolator Dosing Pumps Grotech 3-Channels Calcium Reactor Deltec PF 501 Computer Aquatronica

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