Koi Water Garden for great koi and the Nexus filter system plus a range of related dry goods

Introduction to the principle of bead filtration Bead filters are closed (pressure) vessels filled with millions of small plastic beads. These beads float and therefore provide a means of mechanical filtration and the enormous surface area of these beads provides the biological filtration. Mechanical filtration: the beads float in a closed vessel and are packed very close to each other. The pressure of the pump makes the water flow upward through the beads. The small dirt particles will stick in the bead pack. The longer the filter is active, the more bio film there will be around the beads and therefore smaller particles can be filtered. Biological filtration: the specific surface of the beads is about 1600 square metres per cubic metre of media (6 times more than a sheet of Japanese Matting), so the bio film layer around the beads is the home for the nitrifying bacteria (the biomass)that convert ammonia into nitrite and nitrite into harmless nitrate. Ultra bead filters Water enters into the tank (A) under pressure from the pump. This water, by means of the unique design of the Ultra Bead, spins separating the heavier solids and forcing them to the centre of the tank. The solids are collecting in the centre of the filter, waiting to be hydraulically purged out under pressure from the pump. All you have to do is open the swirl separation valve (B) with the pump running and the filter in it�s normal filtration mode and the heavier solids are evacuated in just a couple of seconds. What does all of this mean? The most unique, efficient filter of its kind. An efficient filter doesn�t hold solids, it gets rid of them! The Ultra Bead series have another unique feature: the Ultra Trust Blower (D). This blower is mounted on a special air check valve. It is important that the valve be in the rinse position for the blower agitation of the beads. When the blower is active the beads and debris are dispersed throughout the interior of the filter. This breaks up the beads and releases the trapped particles. This debris then can easily be backwashed out to waste through the spray bar (C).	After the RINSE cycle with air we perform a backwash in which the water enters at C en leaves the filter through A. After the backwash there will be another RINSE cycle but with water instead of air. This takes any remaining debris and sends it to waste (from A to C), instead of sending a cloud of dirt back to the pond.
	model	height x diameter	recommended pond size(max)	Recommended max fish load	Food load per day	Media capacity
	UB-40	83 x 48cm	2,000 galls 9,500 litres	35kg	350 gm	50 litres
	UB-60	100 x 61cm	8,000 galls 38,000 litres	100kg	1000 gm	120 litres
	UB-100	110 x 76cm	12,500 galls 57,000 litres	135kg	1350 gm	170 litres
	UB-140	120 x 92cm	21,000 galls 95,000 litres	200kg	2000 gm	255 litres
All models are equipped with a 2" multi port valve, a transparent access cap and a powerful blower. Ultra bead filters are constructed from high quality fibreglass conforming to potable (drinking water) standards.	UB-40		�1045.00
	UB-60		�1225.00
	UB-100		�1645.00
	UB-140		�2190.00

Power bead filters. Power bead filters offer a revolutionary and patented design offering unrivalled reliability, efficiency & enhanced performance at what is frankly a very economical price. Unlike conventional bubble bead filters the Powerbead filter range are equipped with a side mount closed circuit floating impellor agitation pump and twin discharge chamber jets. Features Include: Large (18" diameter) bead chamber - ensuring low velocity solids removal. Lower chamber drain and ball valve minimises flush out water loss. Purpose design top mount 6-Way multi-port valve. Bottom drain to waste located at the lowest part of the filter body to add waste flushing and removal. Contains up to 0.75 cu feet of bead media.					The exploded diagram left shows the internal workings of the Powerbead and just how it works. 1 - Purpose Built Top Mount 6-Way Multi-Port Valve. 2 - Neck Clamp. 3 - Sealing Ring. 4 - Large 18" Diameter Bead Chamber. 5 - High Quality Durable Base. 6 - Patented Ball Diffuser. 7 - Twin Discharge Jets. 8 - High Velocity Agitation Pump With Floating Impellor. 9 - Secondary Bottom Drain. 10 - Waste Drain Located At The Lowest Possible Part Of The Filter Body
Model	Max pond size	Media	Flow rate	dimensions
PB-85	3,000 galls 13,600 litres	13kg	6 - 10,000 litres / hr	47cm x 98cm	PB-85	�565.00
PB-200	5,000 galls 22,700 litres	26kg	8 - 15,000 litres / hr	67cm x 110cm	PB-200	�765.00

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