Build your own HOB filter - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 09-12-2018, 05:41 AM Thread Starter
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Build your own HOB filter

Does anyone have any experience with DIY filter cartridges? I can’t find reasonably priced replacement filters for my tank. Also if I have a moderate-heavy planted tank does that change the frequency of water changes at all or should I still stick to every 2-3 weeks?
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post #2 of 5 (permalink) Old 09-12-2018, 05:55 AM
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https://youtu.be/rn2bBI8o0G4 maybe this would help
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post #3 of 5 (permalink) Old 09-12-2018, 07:37 AM Thread Starter
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Have you tried this? I’ve herd getting rid of activated carbon can cause water quality to decrease
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post #4 of 5 (permalink) Old 09-12-2018, 09:20 AM
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Im not in the place to judge here, but From what I've read carbon will only able to absorb "toxin" and such only for some period of time and release the toxin afterwards, so you could ignore the absence of carbon especially if you do a planted tanks because plants could neutralize toxin also. Activated carbon is not a must, if your water quality is good. You don't need carbon, if you from a big city and you aren't sure about water quality there, you could use some carbon.
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post #5 of 5 (permalink) Old 09-13-2018, 04:13 PM
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In general, with planted tanks, Activated carbon does more harm than good. It sucks nutrients from the water that our plants really need in order to thrive.

Id go with a small piece of coarse sponge cut to size for mechanical filtration (you could also add a fine sponge for additional mechanical filtration) and an approproriately sized mesh bag with some kind of ceramic bio media, like ceramic rings. Honestly, filter cartridges are a scam, especially for planted tanks.

My tanks:

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