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Waterfall / Biological Filter Units & Accessories
 





Waterfall Units

A biofilter has one single function... to purify fish excretions
(contain ammonia) which are part of the natural respiratory and feeding function OF POND FISH OF ALL TYPES.

Filtration is one of the most important elements of your system.  The filter not only removes debris but, more importantly, your filter converts toxic substances into harmless ones.

A good system is of key importance in keeping your water crystal-clear and free of chemical pollutants.  Our filter line is designed to meet a wide range of needs, for both large and small ponds.  Biological Filter - biological is the most important.  This process removes toxins. 

 

Biological Filter Systems:  Biological filtration is where your system provides a place for beneficial bacteria to grow on special media.  The system focuses the growth of bacteria.  These bacteria  remove harmful pollutants,through a  natural process, from pond water.  Known as the " Bio Filtration " or " bio reactors " these beneficial bacteria convert poisonous compounds such as ammonia and nitrite, into less toxic nitrate.  The end by-product, nitrate, is used as a food source by aquatic plants.  This continuous process is called the nitrogen cycle.  This type may be the most important filtration process in a system containing koi or goldfish.

TJB-INC sells the Aquascape Brand of BioFalls.  They are broken down by Series.  The older Classic Series and the newer Signature Series.  Either one will provide you with an efficient upflow biological filter for your water garden or pond.  The Signature Series BioFalls have some different features that the Classic Series does not.  If you need these features, then choose the Signature Series,  If not, then save money and choose the Classic Series.  Both series have several different sizes to fit your construction needs.

Highlights of choosing a upflow BioLogical filter system.

  • Creates a perfect base for building beautiful, leak-free waterfalls
  • Requires only once a year cleaning when used in combination with a skimmer pre-filter.
  • A non-clogging swirl chamber allows even distribution of water, aiding filtration and increasing waterfall width.
  • Can be sunk into the ground for a stream effect or raised to create a greater water drop.
  • Filter support rack holds the filter mats and doubles as side supports.
  • Simple, uncluttered design.  No moving parts to break.  No electrical connections needed.
  • Easy to camauflage, removable upper rack on the Signature Series BioFalls Filter makes the filter easy to disguise into the landscaping using rocks, plants, & gravel.
  • High surface area filter mats included with the Signature Series BioFalls Filter have 50% more surface area than traditional mats.   

TJB-INC TIP: 

PROPER SIZING OF FILTRATION: Your filter should be sized at a minimum to handle your pump flow, not gallons of pond capacity. You can use a 5000gph rated filter with a 3000gph pump. You can’t use a 2000gph rated filter with a 3000gph pump and expect it to perform properly. The more fish you have, the more filtration capacity you’re going to need to capture and convert their waste to plant food. Undersized filters are a common problem with ponds. Choose a filter that is easy to clean. Yes, they need periodic cleaning. Check with the supplier or manufacturer for suggested frequency of cleaning. Once every week or so should be an average if properly sized. Oversizing of your filtration may cut down on the frequency of cleaning, but not eliminate it. Undersizing of your filter is going to cause you more problems and headaches than the few dollars you saved is worth.

 

 Pond Filtration: The Basics

By Dave Kelly
 
Want to know why creating healthy, low-maintenance ecosystems is so important to contractors who install naturalistic watershapes? It’s because the last thing any of us needs during the busy season is a phone call complaining about murky pond water! 

To be healthy, a living ecosystem needs plants, fish, aeration, rocks and gravel, but to help keep the water clear in the vast majority of ponds, there must also be an adequate filtration system. 

Three types of pond filters are available on the market: biological filters, mechanical filters and sterilizing units. Biological filters use bacteria to break down pond wastes, converting them into less harmful compounds that can be taken up by aquatic plants as fertilizer.Mechanical filters physically trap and remove debris and sediment. Sterilizing units pass water through a tube that houses an ultraviolet bulb: The UV light kills living microscopic particles in the water. 

In my experience, a combination of biological filtration with a proper mechanical filter (to remove solids before the water enters the biological filtration unit) is the most effective approach. I’ll discuss the reasons for this below. 

A Simple Process 

The main function of a mechanical filter is to remove debris before it can sink to the bottom of the pond and decay. In many systems, a skimmer unit houses the filtration medium as well as the pump and its associated plumbing. Everything within the system is self-contained, meaning the skimmer won’t drain the pond if a leak develops in either the plumbing or the waterfalls. 

There are two main types of skimmers: box and floating skimmers. Both types filter the water by removing floating debris and waste before it’s had a chance to fall to the bottom of the pond — but the box skimmer is generally easier to maintain. 

Box-style skimmers come with either vertical or horizontal filter mats. Horizontal mats lie flat, so there’s no sagging that distorts their shape. Also, they can’t clog to the point of preventing water passage, so there’s no danger of the pump running dry. By comparison, vertical mats require more frequent cleaning and need to be monitored to make sure there’s enough water in the chamber for safe pump operation. 

With either orientation, as water enters the skimmer the large debris is removed and the water is then further filtered through the mats. The water then travels through its buried plumbing and moves to the biological filter, where it’s further treated before re-entering the pond. 

Water enters the biological filter, which is typically placed on the opposite side of the pond from the skimmer via a pipe located near the base of the unit. The water then flows from the bottom to the top of the device, traveling through the filtration medium housed inside the unit. This medium helps by removing fine- to medium-sized particles; the larger debris was removed in the skimmer. 

The biological filter fills and ultimately overflows to cascade down rocks arranged into a naturalistic waterfall configuration. There’s the added benefit here in that the waterfall aerates the pond, assisting in the circulation and in the overall health of the water. (If a slower, stream effect is preferred, the unit simply needs to be sunk lower into the ground.)

Biological filters on the market today range in size and can filter ponds up to 10,000 gallons. For larger ponds, multiple biological filters can be incorporated into the design. 

Background Science 

Mechanical and biological filtration are critical to processing the many types of nutrients found in a watergarden system, including fish wastes, uneaten fish food, leaves and runoff from lawns (to name just a few). Left to their own devices, these materials generate high levels of ammonia, a form of nitrogen that is highly toxic to fish and is also a major contributor to prolific algae growth. 

A biological filter does its job by virtue of the fact its filtering medium is impregnated with nitrifying (or facultative) bacteria that absorb ammonia and turn its nitrites into less-dangerous nitrates. 

(These bacteria require oxygen to live, so it’s important for the pond’s pump to run 24 hours a day, seven days a week. If the pump stops running, the waterfall also ceases to flow and aeration is eliminated, and the equations required to maintain the ecosystem are thrown out of whack. In particular, once the pump shuts down, the bacteria in the biological filter will quickly use up all of the available oxygen and die — not a good thing.) 

Once the bacteria have done their work, the resulting nitrates are removed from the pond by another biological filtration method known as de-nitrification. This process occurs only in anaerobic (oxygen-free) areas of the pond, which is why it’s not necessarily bad for some areas of a pond to experience minimal water flow (such as on the bottom of the pond under an inch or so of gravel). The bacteria living in this area of the pond turn nitrates into nitrogen gas that is released into the atmosphere or absorbed by aquatic plants — or by algae, which is another reason why a pond without aquatic plants will become a maintenance nightmare. 

For any biological filtration to work, you need to put billions of bacteria to work in purifying the water. They prefer to anchor onto things, which is why surface area is so important, with more surface area meaning more bacteria, and more bacteria meaning better biological filtration. This surface area is provided by filter media, rocks and gravel. Thus, a pond with gravel on the bottom will contain more surface area for bacteria than will a pond with an exposed liner on the bottom. 

The simple process of repeatedly turning the water over through the mechanical and biological filters helps maintain high-quality water and aids in creating a naturally balanced, low-maintenance ecosystem. Add the remaining components of fish, plants, aeration, rock and gravel, and you’ll find greater success in creating easy-to-maintain watergardens for your clients. 

When those clients spend less time fiddling in the backyard on pond chores, it means they will enjoy more leisure time relaxing by their backyard oasis with a cool beverage in hand. So instead of spending your days on follow-up maintenance and troubleshooting calls, you can instead focus on more important things — such as gathering new clients! 

Dave Kelly is Vice President of Product Development for Aquascape, a waterfeature design and installation company headquartered in St. Charles, Ill. Patented products that carry Dave's stamp include the company's constructed wetland, pondless waterfall, and skimmers. He is also the co-author of The Pond Builder's Bible and Pond Building for Hobbyists

 To learn how to build professionally built, natural-looking waterfalls & streams, "CLICK HERE"

 View the videos below, then chosse the biofalls of your choice and create a professional "natural" waterfall!    

  

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