http://www.rippling-waters.com/koi-ponds/koi-pond-biological-filters Relaxing by the water Wed, 24 Feb 2010 19:37:59 +0000 hourly 1 http://wordpress.org/?v=3.0.1 http://www.rippling-waters.com/koi-ponds/koi-pond-biological-filters/comment-page-1#comment-226 fish Thu, 30 Jul 2009 05:55:59 +0000 http://www.rippling-waters.com/koi-ponds/koi-pond-biological-filters#comment-226 Lava rocks work fine, but the pond store doesn't make as much money from lava, so they want to see you somethind else. Lava rock is just heavier than other media.<br><b>References : </b><br> Lava rocks work fine, but the pond store doesn’t make as much money from lava, so they want to see you somethind else. Lava rock is just heavier than other media.
References :

]]> http://www.rippling-waters.com/koi-ponds/koi-pond-biological-filters/comment-page-1#comment-225 terryc84 Thu, 30 Jul 2009 00:53:17 +0000 http://www.rippling-waters.com/koi-ponds/koi-pond-biological-filters#comment-225 <b>Can I use regular lava rock as the biological filter medium in my pond filter?</b><br>Or do I need to get some of that fancy stuff sold all over the pond supply websites? I have seen lava rock mentioned as an alternative, but wasn't sure if it would work as well as whatever else, plastic strips, the ceramic stuff, etc Can I use regular lava rock as the biological filter medium in my pond filter?
Or do I need to get some of that fancy stuff sold all over the pond supply websites? I have seen lava rock mentioned as an alternative, but wasn’t sure if it would work as well as whatever else, plastic strips, the ceramic stuff, etc

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