Sponge filter questions - The Planted Tank Forum
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post #1 of 6 (permalink) Old 07-15-2015, 01:21 PM Thread Starter
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Sponge filter questions

We've had a 29 gallon tank cycling for almost 2 weeks. It has a sponge filer rated for upto 40 gallons.
I know that it's ideal to have 2 sponge filters so that I can alternate rinsing them out and not lose my beneficial bacteria.
I had intended on moving the fish from a small tank & it's sponge filter into this new tank but we changed our minds.
So, my question is : should I get 2 smaller sponge filters rated for upto a 20 gallon each, or should I just get another sponge filter the same size or of a smaller size and keep this filter going? We're not pressed for time on getting this tank setup, I just want to make sure it's right before we get our Dwarf Puffers.
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post #2 of 6 (permalink) Old 07-15-2015, 01:25 PM
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Bigger is better when it comes to sponges the bigger sponges provide more surface area for beneficial bacteria to live on
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post #3 of 6 (permalink) Old 07-15-2015, 02:17 PM Thread Starter
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Okay good. I was concerned it'd be processing too much & it'd throw things off.
Puffers are sensitive little things.
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post #4 of 6 (permalink) Old 07-15-2015, 02:41 PM
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Honestly that should be fine, as long as you use aquarium water to rinse and clean the sponge with you won't lose any of your BB, in fact your tank water will get healthier over time. I rarely ever change sponges in my filters, only when they get really nasty or i negelct them for to long in the planted tanks (lots of dirt).
post #5 of 6 (permalink) Old 07-15-2015, 11:16 PM
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It may sound insignificant, but I suggest putting the filter in a corner for better tank flow.

MY TANK: Planted 10g; 2 x 10W CFL; Fluval U2 internal filter; MGOCPM/black sand cap

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post #6 of 6 (permalink) Old 07-16-2015, 01:43 PM
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I think you'll be fine with the single sponge. Are you going to add some driftwood? That's a lot of space for dwarf puffers
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