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Manufactured from high quality materials the Evolution Aqua 300/310/320 Nexus Lid has been designed for a perfect fit to cover the EA Nexus 300, 310 and 320 filter units. Despite being light weight for easy removal, the heavy duty Nexus Lids are capable of withstanding the elements and won't damage or warp from sunlight, thanks to the durable UV resistant material.
The Nexus Lids not only provide practical benefits but also finish of the sleek, innovative design of the Evolution Aqua Nexus Filtration units with style.
Note: Due to the size of this item it can only be supplied when purchased alongside a Nexus Filter.
Why buy from Pond Planet?
The Nexus 320 filtration system delivers dramatically improved levels of clarity for ponds. Building on the success of the award winning Nexus range this new generation of filters cleverly combine mechanical and biological filtration into one advanced filter system.
The Nexus 320 features a re-designed Eazy filter which utilises the all new K1 Micro Filter Media, in a static bed, to deliver improved levels of mechanical filtration. The Nexus filter systems also use the acclaimed K1 Media in the moving bed to deliver outstanding levels of biological filtration. Together these filter media deliver crystal clear and healthy water.
How The Nexus Works
The Nexus filter is simple yet innovative. Water enters the Nexus via the inlet into the inner chamber which works as a basic vortex allowing larger solids to settle out. The water then passes through the Eazy where the finer particles are removed at the mechanical stage of filtration. From the Eazy the water passes into the outer chamber where the biological stage of filtration takes place using the K1 Media Moving Bed.
The water then passes through the grill into the Exit Chamber, where it is returned to the pond through the outlet. The Eazy is cleaned by diverting the air from the Outer Chamber to the Eazy using the air valves. Waste is then discharged through the larger waste ball valve. The Eazy has been designed so that it can be easily lifted out of the Nexus should it be needed.
The Eazy Filter
The Eazy is a stainless steel vessel containing a set volume of K1 Micro Media which is located within the inner chamber of the Nexus. After water enters the Nexus it rotates around the Eazy in the inner chamber with a downward motion allowing the larger solids to settle to the bottom of the chamber before passing through the slots of the Eazy into the static K1 Micro. The water flows from all angles through the K1 Micro where improved mechanical filtration and settlement takes place and fine particles are caught within the K1 Micro. The water then flows through the slots in the centre column and into the outer chamber.
Biological Filtration
The outer chamber of the Nexus contains the moving bed of K1 Media. This is where the final stage of biological treatment occurs. Biological breakdown occurs through different strains of bacteria living on the protected surface area on each piece of the K1 Media. These bacteria convert Ammonia and Nitrite into harmless Nitrate. The amount of Ammonia and Nitrite produced in the pond is dependant on feed rates and the type of food used. For higher feed rates additional K1 Media should be added into the outer chamber.
In optimum conditions 250g per day of average protein content food will be broken down by 50 litres of K1 Media. To ensure excellent biological filtration of a Nexus maintain a pond pH of 7 or higher. Bacteria conversion rates are reduced in cooler temperatures.
| Dimensions (L x W x H) | 1430 x 1320 x 1025 mm |
|---|---|
| Filter Volume | 840 l |
| Max. Flow Rate | 13,000 lph |
| Max. Pond Size | 34,000 m³ |
| Amount of K1 Micro Media in EAZY Filter | 20 l |
| Amount of K1 Supplied in Bio Chamber | 100 l |
| Max Capacity for K1 in Bio Chamber | 300 l |
UK Delivery
Order before 2:00pm for same day dispatch.
Orders under £49
Standard Delivery Service - £3.95
Delivery takes 1-2 working days.
UK Express Delivery - £5.95
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Orders Over £49
UK Express Delivery - FREE!
FREE next working day courier delivery via DPD Local.
Returns
If for any reason you are not satisfied with your purchase from Pond Planet, you may return the product(s) to us within 14 days of the purchase date for a refund or exchange.
Goods must be returned in perfect and unused condition, in their original packaging. The buyer must ensures that the goods are securely and adequately packed to avoid damage and the purchaser pays all postage costs. We recommend that products are returned by recorded delivery or by carrier that requires a signature. Pond Planet accepts no responsibility for goods returned to us unless signed proof can be provided.
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