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Oase Logo - Creative Pumps your water garden specialist Oase Filtoclear with UVC 16000, 20000 & 30000

 Oase Pond filter in action

Aquamax dual pump feeding Oase Filtoclear pressure filter

Oase Filtoclear in action with an Oase Aquamax pump. Other recommended pumps toward bottom of page.

Filtoclear in action with the new dual inlet Oase Aquamax pump. The second inlet can be used for a skimmer or as shown to reduce dead spots in the pond.

Cut-away of Oase pond filterOase Large Filtoclear

The Oase Filtoclear range of pressure filters have outstanding filtration properties and are very easy to use. Larger models include 16000, 20000 & 30000, but remember that there is also 2 models which have recently been upgraded, they are the 11000 & 15000. They have been replaced by the 12000 & 16000. Water is pumped through the filter which can then be directed to a creek or waterfall, even if it is higher than the filter.

The filter works by first passing dirty pond water through an integrated UV Clarifier to destroy all algae responsible for green water. Dead algae along with all other dirty particles are then filtered out in large sponges which also double as a biological filter thus returning crystal clear water to the pond.

The filter is then very easily cleaned with the pull of a handle and simple back flush without the need for getting your hands wet. For easy clean information

Clear water guarantee

Money back if clear water is not achieved when using the equipment correctly.
Multi function Can be placed next to the pond, above or below the water level and can feed a watercourse / stream or waterfall while filtering.

2 in 1

Mechanical and biological filter and powerful UV clarifier all in one.

Easyclean of Oase Filtoclear pond filters

Easy to clean in a few simple steps.  For more information

Aussie says
Superior - this is our rating

Aussie's observations about Oase Filtoclear pressure filters

Suitable for: Any pond filtration, particularly for waterfalls or streams where water has to be pumped higher than the filter.
What we liked: The cleaning and back washing system is brilliant, as it does not have to be taken apart that often
For easy clean information. Because the water passes across the UVC before the filter, the damaged algae spores are caught by the filter rather than being returned to the pond. Typical Oase quality, second to none.
Possible drawbacks:  Pressure filters are not ideal for Koi or Turtles, the better option would be a gravity filter, however, if a waterfall is in use using a single pump for both filtering and waterfall a pressure may be the best option if a gravity filter box can not be hidden at the very top of the waterfall
Other filters of this type:  Oase FiltoClear 3000 - 6000 - 12000 - 16000   Laguna Pressure flo  
Made in Germany Filtoclear
16000
Filtoclear
20000
Filtoclear
30000
Ideal flow  through the filter 9,000
See chart below for more details
10,000
See chart below for more details
15,000
See chart below for more details
Suitable pond size - Approximate  Chart Chart Chart
Size (Diam x Height) 38 x 63 cm 40 x 81 cm 40 x 81 cm
If canister is buried - how much shows above ground 15 cm 25 cm 25 cm
Integrated UVC clarifier 24 watt 36 watt 55 watt
Integrated cleaning mechanism for filter sponges Yes Yes Yes
Back washing system Yes Yes Yes
Visual operational indicator telltale lamp telltale lamp telltale lamp
Inlet & Outlets included 38 - 50 mm 38 - 50 mm 38 - 50 mm
Suitable for Koi^^ Yes Chart Yes Chart Yes Chart
Suitable pump See chart below See chart below See chart below
Power cable length 5 m 5 m 5 m
Voltage 230v / 50Hz 230v / 50Hz 230v / 50Hz
Maximum pump pressure  (See tip 6) 0.5 bar 0.5 bar 0.5 bar
National Warranty - Aust wide
Excluding UV lamp
3 years 3 years 3 years
Prices - Australian $ including GST $1,439
24 watt lamp
No longer available $1,699
55 watt lamp
 
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Total shipping per order Only $10 to any Australian Address - Prices Include GST
Trade customers - Buying for resale - Call 1800 607 388 or click > Trade contact

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 Confused about selecting the correct pump - click here for more help

Filter selection

To choose the ideal filter for any pond you must first know the correct environmental flow to maintain ideal water quality for your pond. (Please remember that the pond size alone does not determine the filter or pump size without first taking into account the many environmental and physical factors) 
 
3 ways to get help to establish flow

  1. Fill in one of our e-mail help forms and let us do all the calculations for you.
  2. Give us a call 1800 607 388 for expert advice
  3. Do it yourself and use our quick reference flow calculator for rough estimate
  4. Establish the required flow through the filter keeping in mind waterfall** height if any, or long hose**
  5. Choose a filter from the chart below (Example if your pond requires a flow through the filter of 6,500 litres per hour, the Oase Filtoclear 11000 would give the best result)
  6. Choose a pump, they are listed below in order of quality and suitability

Recommended flow through the filter - litres per hour

16000 20000 30000
Minimum flow 6,500 7,000 7,500
Ideal flow - See hint 4 below 9,000 10,000 12,000
Maximum flow - See hint 4 below 11,000 12,500 16,000

Suitable pumps for Filtoclear filters

16000 20000 30000
Most suitable pumps**
Assuming a waterfall is not over 500 mm high or the correct size hose is not longer than 3m
  Oase Aquamax 8500
Oase Aquamax Dual 12000
Laguna Maxflo 11000
Oase Aquamax Dual 12000
Laguna Maxflo 11000
Oase Aquamax Dual 16000
Laguna Maxflo 16000
For waterfalls higher than 500 mm, undersize hose already installed that can't be replaced or for a long hose length, one of the alternative pumps listed below my be better suited

What makes a pump that is specifically designed for sending water to a filter (such as the pumps above) superior to a multi purpose pump such as Pondmate

  1. The cage design is turtle shell shaped to attract solids from 360 degrees
  2. These pumps are designed to run 24/7 year after year
  3. They have a vortex impeller capable of handling solids without blocking
Other pumps
to consider**
Laguna Maxflo 9000
Laguna Maxflo 11000##
Pondmate 15000DWP##
Laguna Maxflo 16000##
Oase Aquamax Expert##
Pondmate 15000DWP
**Special note, if using a waterfall or a long hose between pump and filter the pump will need to be larger to allow for the reduced flow caused by the head (pumping height, and/or hose length)   If in doubt Fill in one of our e-mail help forms and let us do all the calculations for you.
^^ These filters are ok for Koi Carp, but they are not the best, Gravity filters are best.
# A little under size for some pond sizes, but would work if the pond were smaller than the filters maximum volume rating.
##This pump is a little too strong, unless a waterfall over 1m is in place. However, you can never have too much pond flow, so, by releasing water back into the pond through a "Tee" and flow valve added circulation is provided for the pond.
*****Head over 5m will damage the filter and could even burst the container. On the other hand a pump with inadequate head may not provide enough flow through the filter.
In a nut shell ....The height difference between the filter lid and a pressure free outlet must not exceed 5 metres (0.5 bar).
So if the filter was mounted 1m above the pond surface, the pressure free outlet must not exceed 6m
There is however another factor in head calculations if long hose lengths are used, see "Friction loss in hose" under How to ccalculate your friction loss if your hose will be more than 3m.
Aussies additional thoughts Aussie's additional thoughts
Tip 1: When calculating pump flow, always allow at least a 15% flow loss when a filter is used.
Tip 2: Place the pump at the opposite end of the pond to the water return, and in the deepest part of the pond.
Tip 3: Clearpond offer a liquid to prime filter systems, a great way to hasten biological activity. Clearpond Biostart
Tip 4: How the UVC takes care of algae etc .. When the water passes through the filter, the UV rays from the clarifier disturb the tiny algae spores that would normally pass through the filter, they then clump them together and they are caught next time through by the foam filters. The UV rays also kill off disease-causing agents as the water flows through the clarifier.  Your pond therefore virtually cleans itself.
Tip 5: Within reason the slower the water passes over the UV lamp and through the filter the better the result. However, you can never have too much pond flow, so, by having a slightly oversize pump and releasing water directly back into the pond or on to a feature or waterfall through a "Tee" with a valve (tap), added circulation is provided for the pond.
Tip 6: Head over 5m will damage the filter and could even burst the container. On the other hand a pump with inadequate head may not provide enough flow through the filter.
In a nut shell ....The height difference between the filter lid and a pressure free outlet must not exceed 5 metres (0.5 bar).
So if the filter was mounted 1m above the pond surface, the pressure free outlet must not exceed 6m
There is however another factor in head calculations if long hose lengths are used, see "Friction loss in hose" under How to choose your pump / filter  if your hose will be more than 3m.  
How it all works: Water is pumped into the unit and passes under the UVC lamp into the vortex system (settling zone). Suspended matter and bio-sludge are moved by centrifugal effect and gravity.

Dirt particles are trapped by the outer surface of the filter sponges before the water flows the entire length of the inner chamber.

Pores of the filter sponges form a large inner surface for micro-organisms to colonize and convert ammonium to nitrate. Other parts of the filter system are designed to support colonization of anaerobic micro-organisms that reduce nitrate to nitrogen.

A function switch is used when the dirty water is released, (back washed) at the same time the filter sponges are cleaned using a special pumping handle. The end result is clear / clean pond water.

Spare Parts