The use of an Aquarium or even Pond Sponge Filter is a proven and yet economical way to maintain effective aerobic biological filtration.

A Sponge Filter IS PROVEN useful for these applications:
*Main Filter, *Secondary Filter, *Pre-filter, *Sump or Central Filter System in Fresh or Marine Aquariums (the Hydro Pond Sponge works great for this), *Hospital Filter, *Bowl or Small Tank Filter.
(For more please read the posts below)

For a full article about how "The Best" Sponge Filters work, please visit this site:
"Sponge Filtration; How Sponge Filters work in Aquariums and Ponds"

This article is a MUST read as these filters Surpass most other filters in aerobic Bio Filtration; HydroPond & HydroSponge #5 PRO Sponge Filters even surpass many over hyped Canister Filters (only Fluidized Bed Filters out perform Sponge Filters for aerobic bio filtration)!
Please Scroll down for "Sponge Filter Article" posts/articles which follow this header section

To purchase the best in Sponge Filters at the lowest total prices
(when shipping is factored in):
Sponge Filters

Premium Patented ATI Hydro Sponge Filters, with links to ATI Filter Max Sponge Pre-Filters, Aquarium Filter Kits & Hydro Pond Filters

Inexpensive Pond Filtration

Inexpensive Biological and Mechanical Pond Filtration

QUESTION (from a client’s email):

What is a good source for additional bio-filtration for my pond?
I have a waterfall filter, and a veggie stream.
I still think my pond can be clearer and there is a lot of sediment floating in the pond.


A Hydro-pond filter is an excellent source of bio-filtration for a small pond (under 500 gallons). It works a pre-filter for any pump intake and even as a stand alone filter.

Sponge filtration is one of the most under rated forms of filtration for ponds and aquariums alike. When used and properly cared for, a sponge filter colonizes aerobic bacteria for ammonia and nitrite removal, and they make excellent mechanical filters, trapping a lot of floating debris.

Care is simple; just remove the sponge and squeeze into used pond water to remove the waste. This retains the beneficial bacteria, while removing organic and other waste from clogging the pond or even before going thru the nitrogen cycle.

Some of the attributes of sponge filtration for ponds are:

• Maintains the biological filtration when main filter is changed or cleaned.

• Prevents debris such as dead fish and plant material from clogging the intake by distributing the suction evenly down the length of the sponge.

• Prevents small or baby fish from being suctioned into the main filter or water pump.

• Can be used as a temporary or permanent filter in ponds.

• Traps larger waste particles, mechanically cleaning the water.

• Can be used in vertical or horizontal position.

• Easy to clean. Just rinse and squeeze.

AAP Aquarium/Fountain Water Pump, HJ-1542A simple application would be a Hydro pond filter attached to a AAP HQB-3500 Pump (792 gph) or AAP HJ-1542 pump (370 gph), then additionally run to a UV sterilizer (optional), then back to the pond via a waterfall or other water feature. This is a simple and cost effective way to set up a pond filtration system.
When combined with a veggie filter (water iris or other bog plants with a small current of water passing through the plant roots), you will have an excellent filter system for under $150 that can maintain a pond up to 1000 gallons (although the Hydro Pond Filters are rated this high, have found 500 gallons the upper limit I feel comfortable recommending these for).

For further Pond information, please read this VERY complete article about pond care: “A Clear Pond; Pond Information”

For further information about Aquarium Sponge Filtration, please read this article: “Sponge filtration; How sponge filters work and the benefits of using sponge filters in aquariums and ponds”

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