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Old 12-27-2015, 02:51 PM   #11
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I now have two kilos running In my new cascade 1000 along with my ac 50 I had on my 20H and once that is set up I'll take the ac off and really start looking into getting a bigger tank probably a 55 gallon... Maybe a 50 breeder if I can find one so excited!!


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Old 12-27-2015, 07:50 PM   #12
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Fascinating. Can it be used to eliminate the need for water changes, or do u just have to do them less often?


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Imo it will reduce or can help with less water changes in a FW tank. So for someone with high nitrates in tap water this could help would be my thought.

For myself, a water change replaces a lot of elements we don't really test for and it freshens the water to remove organic debris. For example over summer my kh drops in tap and tank temp is high so it gets consumed more, so water changes keep the kh up which stops a ph crash.
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Old 01-06-2016, 09:52 PM   #13
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Biohome media?

So I use distilled water and Seachem lake salt. Does this provide adequate elements for a water change? I have an African cichlid tank.


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Old 03-05-2016, 05:55 PM   #14
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Tank update I've been using the biohome media in my 20h since my last post and I have nothing to complain about it works great and keeps my ammonia at 0.
It hasn't herb running long enough for nitrate reduction but I'll update this then


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Old 03-06-2016, 12:22 PM   #15
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ya know one of the best medias for de-nitrification I have found are the little pumice stones you use to scrub the sink with.
these bad boys rights here;
Heavy Duty Pumice Scour Stone Stick Cleaner Restorer Toilet Bowl Ring Sink Clean | eBay


only I get 'em at the .99 store....LOL
I have about 30+ in the sump. The fine pores allow for lots of internal surface area for anaerobic bacteria to thrive. I drill a few small holes through them and done. they are 6"x1.25"x.75".
only drawback is sometimes they float...LOL
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Old 03-06-2016, 07:00 PM   #16
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ya know one of the best medias for de-nitrification I have found are the little pumice stones you use to scrub the sink with.
these bad boys rights here;
Heavy Duty Pumice Scour Stone Stick Cleaner Restorer Toilet Bowl Ring Sink Clean | eBay


only I get 'em at the .99 store....LOL
I have about 30+ in the sump. The fine pores allow for lots of internal surface area for anaerobic bacteria to thrive. I drill a few small holes through them and done. they are 6"x1.25"x.75".
only drawback is sometimes they float...LOL
No ideal in a reef tank due to the leaching that can take place have a google it's highly advised not to use them in a marine tank.

The minute they float and are exposed to air the denitrifying bacteria get nuked
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Old 03-07-2016, 12:55 AM   #17
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Lava rock can/may contain traces of metals that can leach out, but pumice is a form of glass. I don't think there are any minerals to leach out. I've seen conflicting information, but logic tells me that if there is any risk it is from any gas trapped in the pumice itself rather than the pumice leaching stuff, it is essentially glass after all.
Also Seachem's Matrix and De-Nitrate products are pumice as are a few other brand name bio-media available for sale.

floating isn't a problem at all except for placement and staying put. Being exposed to air does not immediately kill the de-nitrifying bacteria, especially when it resides within the rock where it will stay moist for a very long time, days in fact.
Being exposed to air won't even kill the nitrifying bacteria on the surface until the rock or whatever dries out.
Bacteria is a heck of a lot tougher than you imply....LOL

after thinking about it, I'm not sure the big lava rock décor I had was a problem. You would think after 20-30 years of use in various fresh and salt tanks any nasty stuff would have leached out already, and it didn't seem to hurt the nurse shark 30 years ago when the rocks were new, so.....
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