A)
Pressure filters
(Out of pond canister)
Suitable for: Any pond, in particular waterfalls.
Not
ideal for: Koi or Turtles, because of the waste volume**
Waterfall or stream>
When
NOT using a spray fountain or When using a
spray fountain.
Decorative water feature>
Such as
figures etc
Circulation> Filter/pump
choices for circulation.
**Koi & Turtles may
require a pressure filter if a gravity filter can't be installed above a
waterfall,
or if there is no place to hide a gravity filter
B)
Gravity filters
(Out of pond filter box)
Suitable for:
Any pond,
in particular Koi, Turtles or a very heavy
fish stocking.
Not
ideal: For waterfalls
(a better choice would be a pressure
filter), hard to hide
- The filter box sits outside the
pond
- Better than a pressure filter
when aeration is critical
- The filter box is easy to access.
Waterfall or stream>
When
NOT using a spray fountain or When using a
spray fountain.
Decorative water feature - rarely suitable
.
Circulation> Filter/pump choices for circulation.
C) In-pond filters - Suitable mostly for small ponds under 1,500 litres
Suitable for:
Small ponds
Not
ideal: Being in the pond, as they are not easy to access.
- Very affordable
(often the least expensive filter for
small ponds)
- Perfect for situations that do not
allow out of pond filters
Waterfall or stream>
When NOT using a spray
head When using a
spray fountain
Decorative water feature>
Filter/pump
choices for water features.
Circulation>
Filter/pump choices for
circulation
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