Anyone used these?
http://brightwellaquatics.com/products/xport_bio_brick.php
According to the stats they are incredible and have ability to manage extreme bio loads and is much better than other media eg k1 ceramic rings etc.
Is also says how as is a self contained block, if power failure occurs, the block holds moisture for days even when out of water meaning bacteria won't die.
In process of sorting large Ray system so want most efficient media as poss!!,
http://brightwellaquatics.com/products/xport_bio_brick.php
According to the stats they are incredible and have ability to manage extreme bio loads and is much better than other media eg k1 ceramic rings etc.
Is also says how as is a self contained block, if power failure occurs, the block holds moisture for days even when out of water meaning bacteria won't die.
In process of sorting large Ray system so want most efficient media as poss!!,