The Planted Tank Forum - View Single Post - EI dosing lowing my PH?? Help.....
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Old 02-22-2011, 03:31 PM   #12
TankZen
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Eheim 2215

I have never replaced any of the EhfiSubstrat I know I am suppose to replace 1/3 periodically because the pores get clogged with bacteria and then it doesn't catch as much. I heard some people boil part of the EhfiSubstrat to remove the trapped bacteria in stead of buying new. But I have never tried that. I've cleaned out the whole thing before but will need to do get some new EhfiSubstrat soon.
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