Two 10 shot mags and a 20 shot mag emptied into an unfortunate lump of wood. Fairly pointless really.... ... https://www.youtube.com/watch?v=bEZ7bUw3di0

All the Biohome media can be bought here (I supply worldwide): http://www.filterpro.co.uk (also has links to other suppliers). This media combines the ultra porous structure of Biohome mini ultra with the added trace elements found in Biohome plus to create the Ultimate filter media. With the available surface area supporting aerobic bacteria and the protected inner core supporting anaerobic bacteria, ammonia, nitrite and nitrate are processed effectively. Works well at high and low flow rates so forget about having to force the volume of your aquarium through the media 'x' amount of times per hour as you would with other types of filter media. Perfect for both fresh water and marine systems, biohome filter media will replace any ceramic or plastic media in external canister, overhead, trickle, shower, hang on or sump filters. The added trace elements and open pore structure in Biohome Ultimate offer the ultimate home for all beneficial bacteria, cutting the time taken to establish a strong fully functional bacterial colony a matter of 2-3 weeks and include the following: Silica, Titania, Alumina, Ferric Oxide, Lime, Magnesia, Potash, Soda, Phosphorus Pentoxide, Chromium Sesquioxide, Manganic Oxide, Zirconia, Hafnia, Zinc Oxide, Barium Oxide, Strontia, Stannic Oxide, Sulphur Trioxide. (from XRF analysis) CHECK THOSE NAMES AGAINST THIS INFORMATION SITE FOR BACTERIAL GROWTH AND NUTRITION: http://textbookofbacteriology.net/nutgro.html US Biohome Stockist - http://greatwaveeng.com Any questions please contact Richard (Pondguru) 07772848730 or sales@filterpro.co.uk Filter media does not get any better than this but for an extra quick set-up time each order taken from Ebay or through the website has free gel filter starter balls (5 per kg) to rapidly seed the filter with live bacteria. Forget about adding all sort of sachets and monthly chemical absorbers to your filter. Keep it simple and arrange the filter correctly with the best filter media available. Many of the filter products available are a waste of time and money and will simply mask the problems caused by an ineffective filter. See this video on setting up an external canister filter for directions on how to get the most out of your filter and have it working at maximum efficiency: http://www.youtube.com/watch?v=szrUlHTW5Zo Simply protect the media with good graded foams and fine particle matting / pad to remove suspended solids (which clog any filter media) and your media will give you years of service. The test in this video is to demonstrate how easily the water can find the inner structure of the media as you can say your media has the largest available area for bacteria but if the water can't get there what is the point?. It is not part of a full comparison between filter differen ... https://www.youtube.com/watch?v=oYk5UXaRV94