Quote:
Originally Posted by getcarter
Does the bh breaks wen u press it? I think the red one lasts longer then the white one,used to buy alot last time
Now I use all the non branded medias n my water parameter readings are fine...
Maybe depend on bioload I guess?
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later when i water change will try to press. few years old media. if low bio load is ok for media with normal surface area. if not enough space then have to get those with large surface area.