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Properly Cleaning Filter Pads – Water Garden & Feature Q & A

Picture of Matala Filter Pads.

Water Gardens & Features Q & A

Q: I have been cleaning my filter pads once a week with a garden hose because they are filled with gunk all the time. This doesn’t seem normal. How often should I be cleaning my filter pads? – Tonie of Massachusetts

A: There are quite a few customers that I talk with that don’t know why their filter pads build up with “gunk” so fast. I didn’t understand it either when I first stepped foot into water gardens, but filter pads provide a very important role in your water garden’s ecosystem and in reality should not be cleaned very often.

The Purpose of Filter Pads
Filter pads (or other filter media) contain a large amount of surface area. This surface area within time will grow increasing amounts of beneficial bacteria. This beneficial bacteria (also called nitrifying bacteria) will break down ammonia from fish waste into nitrates. Also, some customers mistakenly believe this beneficial bacteria is “gunk” and will unfortunately clean it off having to have the beneficial bacteria start over again!

The Proper Way to Clean Filter Pads
If the “gunk” on your filter pads becomes over abundant and restricts water flow from your pump, only then would it be necessary to clean them. Usually when this is the case, it has a buildup of other debris besides beneficial bacteria. To properly clean the filter pads I suggest to take a bucket of water from your water garden and dip the filter pad into the bucket knocking off any debris and leaving the “gunk”. I DO NOT recommend using tap water from your garden hose to do this because the water contains heavy metals or chlorine that will kill off the beneficial bacteria on your filter pads. After cleaning your filter pads or if you accidentally used tap water to clean them, you can use PL Gel. PL Gel is like injecting beneficial bacteria directly into your filter pad. PL Gel will reduce bacteria start-up time by up to 80%. I have found it to be very successful.

Yearly Maintenance & Replacement
You should really only have to clean your filter pads a couple times a year. Once during spring startup and again during fall shutdown. Most filter pads will last up to a year before you should have to replace them. If you are looking for longer lasting filter pads we highly suggest the Matala Filter Pads. They will last several years.

POND TALK: Tell us how often you clean your filter pads?

Koi & Catfish Can Cause Cloudy Water in My Large Pond? – Pond & Lake Q & A

Picture of Cloudy Pond Water.

Pond & Lake Q & A

Q: The water in my pond is very cloudy. I have some bass, bluegill and koi in the pond so I don’t want to use anything that will harm them. Any suggestions on how to clear this up? – Aaron of Illinois

A: The cloudiness of the water in your pond can come from many sources, such as heavy runoff from rain to constant sediments that fall into and around the pond. There is an element that causes cloudy water that many seem to overlook and it relates to a couple species of fish.

I’ve talked with some of you in the past and you’ve said one day the water looked clear and the next day it was cloudy. In quite a few cases the only factor that changed from one day to the next was adding either koi or catfish.

Koi Or Catfish Can Cause Cloudy Water?
Yes, these species of fish are bottom dwellers and love to stir up the bottom of the pond. Before adding these fish into your pond just understand that if you want clear water this may not be the best option. In a large pond or lake with catfish or koi it is almost impossible to clear up the water. The only way to do so would be to remove the catfish and koi altogether.

POND TALK: Do you have any koi or catfish in your large pond or lake?

The
cloudiness of the water in your pond can come from many sources, such
as heavy runoff from rain to constant sediments that fall into and
around  the pond. There is an element that causes cloudy water that
many seem to overlook and it relates to a couple species of fish.
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