Oase BioSmart 18000 Pond Filter
| Brand | |
|---|---|
| Filter type | Flow through filter |
| Installation | Pump fed |
| Pond pump supplied | No |
| UVC supplied | No |
Oase BioSmart 18000 Filter. Foam filter only; pump and UVC sold separately. Free-flowing gravity return required.
£224.99 (inc VAT)
Oase BioSmart 18000 Pond Filter
The four-foam filter without a pump or UVC
The Oase BioSmart 18000 Filter is a flow-through pond filter. Choose the filter-only BioSmart 18000 when you already have a suitable pump and UVC, or want to specify those components separately. It contains the foam filtration stage, with cleaning handles and a sludge drain.
A free-flowing return to the pond
Water is pumped into the filter, passes through the foams and leaves through the gravity outlet. The foams trap suspended solids and provide surfaces for biological filtration. A UVC works on suspended green-water algae; it does not replace the foams or remove settled sludge.
Install the filter on a firm, level base with its outlet positioned to drain freely back to the pond. This is not a sealed pressure filter for pumping clean water uphill from the outlet. Keep the return large enough and free of restrictions, and leave access to the lid, cleaning handles and drain.
Choose the rating for your fish load
The 18000 model name is not the same as the suitable volume for a stocked koi pond. Oase gives separate ornamental, general fish and koi ratings, shown below. Feeding, fish size, sunshine and the amount of waste entering the filter all influence the sensible choice.
| Specification | Details |
|---|---|
| Oase product code | 56776 |
| Manufacturer ornamental-pond rating | Up to 18,000 litres |
| Manufacturer fish-pond rating | Up to 9,000 litres |
| Manufacturer koi-pond rating | Up to 4,500 litres |
| Maximum flow through the filter housing | 5,500 litres/hour |
| Filter dimensions (L Ă— W Ă— H) | 382 Ă— 555 Ă— 408 mm |
| Foams in the filter | Four: two blue, one red and one green |
| Clean-water outlet | DN75 gravity return |
| Pump and UVC | Sold separately |
Cleaning and replacement parts
The cleaning handles squeeze accumulated dirt from the foams, and the sludge outlet lets you discharge that dirty water. Check the dirt indicator and the actual pond conditions to decide when cleaning is needed. Allow a suitable waste route before fitting the filter rather than trying to carry dirty water away afterwards.
For replacement media, use the matching BioSmart replacement foams and select the correct model and colour. Where a UVC is fitted, isolate it before servicing and match replacement lamps and quartz parts to the actual Vitronic label.
If you need the circulation pump and UVC as well, compare the BioSmart 18000 pump and UVC set. The BioSmart range shows the other sizes and set combinations.
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