Oversized your Filter - The Planted Tank Forum
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post #1 of 2 (permalink) Old 11-25-2016, 01:36 AM Thread Starter
Algae Grower
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Oversized your Filter

Hello guys,

I just realized something, and would like to propose a theory.
I would like to know if anyone has this experience.

It seems to me that if you have an oversize filter, you will have very little algae problem. even if you neglect the tank.

tank volume: 700lt
filter volume: 135lt (20%)
water change: NEVER
CO2: not stable
Lighting : 2xTL 100watt, 8hr/ day
both tank has same amount of fish
substrate: yes

Tank volume 500lt
filter volume 3 x eheim 6lt = 18lt (3.6%)
water changes: 30% 2 times a week
CO2: yes
Lightning 2x150wat MH, 6hr/ day
both tank has same amount of fish
substrate: yes

the detail of my pain and suffering of battling algae can be found here:

Tank 1 is my stock holding tank. I don't really care about its aesthetic. Whenever I have extra plant, I put there.
Right now it is mostly slow growth tanks: various type of java fern and buche. I never do water changes, and there even was a dead fish that I did not remove, until it got sucked by filter, mashed up, chewed out, and eaten by other fish.

Tank 1 has been around for a month, so far NOT A SINGLE algae.

I understand that having 20% of filter volume is expensive at the least, but I am just saying, if you have the means, you can have a totally algae free tank with very little maintenance.

does anyone has the same experience with oversized filter?
Akaliman is offline  
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post #2 of 2 (permalink) Old 11-25-2016, 02:07 AM
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No, it's not that simple. Lighting, Plant Mass, Plant Uptake all play a role in each setup whether you have algae or not. It's knowing how to use these appropriately for your setup that will keep it pristine. I've had plenty of tanks where I had 1x turnover and they were spotless of algae and all I did was change my water and dose ferts.
houseofcards is offline  


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