The OASE BioSmart 18000 takes the OASE replacement foam blue BioSmart 18000-36000 (part 56678) as its foam set. Fitment confirmed against the manufacturer's compatibility list.
Your pond filter
OASE BioSmart 18000
Pond filter
Confirmed against OASE's listConfirmed against OASE's own compatibility list
Not yours? Change
Takes the 56678 foam set
replacement foam blue BioSmart 18000-36000 · check the code on your old part before ordering.
Your pond filter
Pond filter
Confirmed against OASE's listConfirmed against OASE's own compatibility list
Takes the 56678
Foam set · check the code on your old part.
Other OASE pond filters that take the 56678
GenuineGenuine OASE
See seller
Amazon AU · 28 OctAmazon AU · checked 28 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by OASE. Compatible: another brand.Genuine is made by OASE. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Compare 1 seller
AUD, before delivery. Each price shows when it was checked.
How long it lasts
Replace it when it is worn or torn; OASE lists the foams as wear parts and gives no interval.
How to change the foam set in your OASE BioSmart 18000
Watch the guide or follow the steps.
- 1Switch off the pump that feeds the BioSmart.
- 2Open the filter and find the foam you are replacing (blue or green); fit the new one in the same place.
- 3Close the filter and switch the pump back on.
Every number this part goes by
- Retail name:
- 11OS026
- Retail name:
- 56678
- Retail name:
- BioSmart blue foam
Sellers list any of these; they are the same part.
About your OASE BioSmart 18000
OASE pond filter — BioSmart gravity filter. Its foam set is the replacement foam blue BioSmart 18000-36000, part 56678.
Other foam sets the maker lists for this pond filter: OASE replacement foam green BioSmart 18000-36000. OASE also sells the green BioSmart 18000-36000 foam (56679) separately; replace the foam that is worn.
Where the model number is: The model is on the label on the filter's lid or side (OASE FiltoClear 13000, PondMAX PF4500UV), and on the box. Switch the pump and any UV-C lamp off at the power point before you open the filter.
Fits these 2 OASE models
OASE2 models
Common questions
- Which foam set fits the OASE BioSmart 18000?
- The OASE BioSmart 18000 takes the OASE replacement foam blue BioSmart 18000-36000 (part 56678).
- Where can I buy the 56678 in Australia?
- We link to 1 Australian seller for the 56678; the seller's page shows the current price.
- How do I fit the 56678 in an OASE BioSmart 18000?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A torn or worn-out foam lets dirt through to the pump and the water clouds.
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