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PHOENIX POND LEARNING CENTER
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Frequently Asked Pond Questions

7/7/2015

 
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We hand this information out in the welcome packet that we give to our new clients.  Most people find it very helpful, especially being new pond owners.

Not everything here may apply to you, but here are some answers to a few generally-asked questions about living water gardens and ponds in the Phoenix area.  If you're in a different state, you'll want to find information pertinent to that climate because things like pH are quite different in different parts of the country.
DOWNLOAD FAQs.


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Why is the pump just plugged in?  Can I hard-wire it?

The pump is designed to plug in for a couple of reasons.  First, it is designed to plug directly into a standard GFCI outlet and doesn’t need hard-wiring.  Second, it makes the pump much easier to service.  If you choose to hard-wire the pump, be aware that you will pay additional service call fees for us to perform service or warranty work.
More info: HOW BIG IS YOUR PUMP?

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Why are the rocks covered with green fuzz?

That green fuzz is filamentatious (string) algae.  It is perfectly normal and natural for an organic water garden to have some of that below the water’s surface.  If it gets out of control (3+ inches in length), then you may need to deal with it.
More info: ALGAE IN A PHOENIX POND

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When can I add fish?  How many fish can I have?

You should wait at least two weeks after the aquatic plants have been installed before introducing Koi or decorative goldfish to your pond.  We recommend purchasing small fish (3-5” in length); otherwise, they could wreak havoc on your newly-planted aquatics.  The number of Koi fish is typically calculated as: 1” of fish per cubit foot of water.  You can have a few more goldfish than Koi, should you desire to go that route.  You can also mix the two, substituting two goldfish for every Koi.  These are general rules of thumb to follow.  Good judgment and common sense should always prevail. 
More info:
HOW MANY FISH CAN I HAVE IN MY BACKYARD POND?
HOW DO I ADD FISH TO MY PHOENIX POND?

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How often, and how much, should I feed my fish?

Feeding your fish is rarely, if ever, necessary.  They will live just fine without the addition of commercial fish food, surviving on plant material and visiting insect life.  Most people, however, enjoy feeding their fish on occasion, and it does make them friendlier pets.  Only feed your fish what they can eat before it hits the skimmer, and once a day is plenty.  If you over-feed them, not only are you wasting the food, but you are creating an environment where string and free-floating algae can flourish, not to mention you’ll need more filtration as they become whales.

Do not feed your fish commercial protein fish food in the winter months when the water temperature drops below 60°.  Their metabolism slows down considerably in the cold weather, preventing them from digesting the protein-rich commercial foods on the market.  You could actually feed them to death!  During that time, however, you can give them natural treats such as watermelon, zucchini, oranges, and lettuce.  There are even YouTube videos that show you how to train your fish to enjoy this type of feeding.

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Can I add aquatic plants?

Absolutely!  Have a ball, and experiment with any number of aquatic plants on the market, usually more readily available in the spring.  You’ll have to check with your local nurseries as to availability and cost, as this varies greatly.  You can get plants on-line, but it’s a gamble as to whether or not they’ll survive.  Many folks shop around and add tropical water lilies, papyrus, Louisiana Iris varieties, etc., to their pond.  Some people are even experimenting with food plants like tomatoes, peppers, and eggplant.  The more diverse the plant mix in the pond, the less chance string algae has of taking hold.  And it’s a marvelous place to garden when its 110° outside!  If your pond is new (less than 6 months old), you may need to add a fertilizer tab when you introduce a new lily or marginal.  Otherwise, we don’t recommend fertilizer for the aquatic plants because it’s also a source of food for string algae.
More info:
AQUATIC PLANTS FOR PHOENIX PONDS
CONTROLLING PLANTS IN A PHOENIX POND


Does the water get too hot in the summer or too cold in the winter for the fish?

Not at all.  The combination of the 24/7 water circulation and the shade on the pond via aquatic and terrestrial plants keep the temperature reasonable in the summer time.  You will notice that the fish hang out in the shade of the lily pads and marginal plants during the sunny time of day.  The fish’s metabolism slows considerably in the winter time, allowing them to even hibernate below several inches of ice in the colder regions.

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Is my pH level too high?

Arizona has alkali water.  This means that you pH levels will run between 8.5 and 9.5, and all the books are telling you that pH should be a neutral 7.8.  You DO NOT need to try to lower the pH.  The fish and plants will acclimate, which is easier than trying to maintain a neutral pH, and could even be stressful for the fish – and a losing battle for you considering that every time new water is added to the pond, it is at our high pH.
More info: PH FOR PHOENIX PONDS

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Do I ever need to drain and clean the pond?

Once a year, in the early spring, we recommend a clean-out of the pond, especially the biological filter (and this includes the “pondless” waterfalls).  The extent of this cleaning depends on the age of the pond and fish load, as well as other factors that are fairly easy to assess visually.  This is something that can be done yourself, or you can hire us to do it for you.  The instructions for doing this job on our website.  We also offer a free training seminar early each spring, which will teach you how to do this yourself.  If want us to perform the service, the forms come out in mid November, with a December deadline for the Early Bird Special.  The service is usually performed in February-March.
More info: HOW DO I CLEAN MY PHOENIX POND?

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How often do I need to clean out the skimmer?

This depends greatly on how much debris is falling into the pond at any given time.  You may find that this also differs depending on the time of year.  We recommend that you check the skimmer basket at least weekly, even if it’s just to look inside and make sure it’s not full yet.  The skimmer pad should be hosed off occasionally, probably every two or three months.

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How often do I need to clean out the biofilter?

This area is supposed to be a swamp!  It is where the beneficial bacteria live and breed to keep your water crystal clear.  It is meant to only be cleaned out once a year, in the early spring, and then it will need to be re-seeded with bacteria because every time you clean this filter, you are basically starting over with your ecosystem.

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Where can I get more water treatment products?

Water treatment products can be purchased through the on-line shopping link.  You will be looking for AquaClearer bacteria if your water is cloudy.  If you have string algae, you want S.A.B. (String Algae Buster) or EcoBlast (cold water months).

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How many gallons is my pond?

The formula for this is to multiply the length, times the width, times the average depth.  Then multiply that number by 7.25. This formula is a rule-of-thumb used in the industry.  Balance is the key.  Your pond is new, so start slowly and add fish as the pond matures.

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What do I do about pest and/or weed control around the pond?

We recommend organic remedies to these problems, such as integrated pest management (IPM): good guys to eat the bad guys.  Hummingbirds, flycatchers, western toads, dragonflies, and damselflies will automatically show up to most ponds to help out with pest problems.  If you have a pond, we add mosquito eating minnows to take care of that annoyance.  White vinegar makes a fairly effective weed control method for most weeds.  If you must use an herbicide, make sure there is no wind and that your application is accurate.  We DO NOT recommend you spray any chemical herbicide or pesticide within 50 feet of your pond or water feature.  Inform your service, if you have one, of this requirement.  Yes, it’s true that the poison is harmless once dry; however, it will never dry out if it hits the pond water, and can cause catastrophic results.  For more information on integrated pest management, you can contact the Master Gardeners at 602-470-8086, or visit their website.

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Why did my water turn pea-green?

If your pond is new, this is a normal occurrence.  Not all ponds go through this phase of Genesis, but many do.  Just keep adding the AquaClearer bacteria according to the directions, and it should clear up within a few days.  Once the water clears up, begin backing off of the bacteria as long as it stays clear.
More info: ALGAE IN A PHOENIX POND

Joan
8/13/2015 10:00:09 pm

Informative blog! It is very helpful to breed fish; clean pond water. By little care we can provide healthy environment to fish. Periodic inspection can remove little defects of pond. It main problem is water leakage. To get rid of leakage I applied EPDM Pond Liner.To get more details please visit https://joankeeleypond.wordpress.com/2015/08/07/koi-pond-liner-repair-backed-by-5-year-unconditional-product-warranty/


Giovanni Carlo Bagayas link
6/22/2017 07:12:47 am

Most of the commen questions are answered and the rest will be answered by your experience as koi keeper problems you will be undergoing along the way in the koi keeping hobby.

Pam Mueller link
5/1/2018 10:44:31 am

I enjoy your blog but I have a question. I live in Gilbert Arizona and have a backyard aquascape installed pond.
My pond was installed 3/16.
I purchased more fish for my pond last summer 8/17 after calculating the desired fish load. We have gone through the winter and as expected, I rarely saw any fish out in the pond when it was colder out. Now it is warmer and I only see 4 fish that come out of their fish cave to swim around. I have not seen any dead fish floating around nor do I see any fish remains at the bottom of my pond. Did my fish get eaten up, die, are they still hibernating, or are the bigger fish feeding the smaller ones?

Thanks,
Pam Mueller
muebuch85234@cox.net

Christine Carlson
7/27/2020 06:27:21 am

That has happened to me, too, in Tempe. I finally constructed a wire mesh cover to prevent predation, and no more fish loss. I have no idea what was stealing them. I HATE the look of it, but it keeps my fish safe.

A friend in Chandler had a white egret visit her pond and fly off with her tilapia.

We don't expect predators in the municipal environment, but they are here. My five chickens were stolen by a pair of owls---probably the same ones that routinely snatch pigeons off the rafters of the Lowe's garden center at Baseline and Rural.

Giovanni Carlo link
5/1/2018 11:33:21 am

Maybe you haven't noticed a predator catch them.

natalie.haase@gmail.com
5/12/2018 06:49:23 pm

what if you want to have a suuuuuuuper small backyard pond in az but you dont want it ti get way to hot

Louise Ellis-Copley
11/8/2018 01:42:28 pm

Hello, we have moved to a home in fountain hills and inherited a pond which is need of serious help to the untrained eye! Do you cover this area and what are your fees?

bill devrow
4/6/2020 01:16:26 am

I have low ph @ 5,0. what to do?

Steven link
1/19/2021 10:11:00 pm

Interestting read

Charlie Fletcher link
11/26/2021 06:04:07 pm

Feeding your fish is rarely, if ever, necessary. They will live just fine without the addition of commercial fish food, surviving on plant material and visiting insect life. Most people, however, enjoy feeding their fish on occasion, and it does make them friendlier pets.

Don Davies
7/10/2022 08:05:09 am

This truly helped to address the majority of my queries on the subject! I like watching and reading about ponds, as well as the contractors and installers who construct amazing natural-inspired works of art! I hired one in Colorado, https://purelyponds.com/pond-contractor-near-me/, to build a pond and landscape the back of my property, and it turned out beautifully!


Comments are closed.

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The Pond Gnome offers Pond Design, Pond Construction, Pond Maintenance, Pond Remodeling, Pond Replacement, and Pond Cleaning Services for the Greater Phoenix Metropolitan area, including the cities of Phoenix, Scottsdale, Paradise Valley, Carefree, Cave Creek, Glendale, Peoria, Sun City, and other surrounding communities.​

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  • Home
  • Pricing
  • Construction
    • Ponds
    • Pondless Waterfalls & Streams
    • Pool to Pond Conversions
    • Remodeling
    • Commercial Work
    • FAQ
  • Gallery
  • Our Story
    • Vlogging With The Pond Guy
    • Pond Tour
    • Testimonials
    • Events
    • Seminars & Speaking Engagements
    • Employment Opportunities
  • Maintenance
    • Emergency Pond Procedures
    • Pond Water Treatment
    • Aquatic Plants for Ponds
    • Phoenix Pond Cleaning
    • Phoenix Pond Service & Maintenance
    • Troubleshooting
    • Warranties and Manuals
  • Blog
  • Contact Us