Koi Pond: Which Pump to Use

One major drawback of sump pumps that theclients is that they are literally energy sponges.
liner pond industry does not share with theirBut then, that is not the only thing they forget to
clients is that they are literally energy sponges.mention to their usually innocent and unsuspecting
But then, that is not the only thing they forget toclients. These easy-to-install, easy-to-make-a-killing
mention to their usually innocent and unsuspectingliners that come with a 20-50 year warranty
clients... When I started in the waterfall and pond(against factory defects only) are actually a meal
design & construction business in January ofdown the road to a burrowing gopher, rat,
1982, I was asking the same question. I had amouse, ground squirrel, chipmunk or muskrat.
slight advantage over most when it came toHow do I know? I replace liners with concrete and
answering the question, "Which pump do I use?"Irebar for a living and I ask if the customer if the
came out of the energy conservation field, so Iliner salesman told them the pros and cons about
was already savvy about energy consumptionthe liner. (Most cons don't!)Besides a sump pump
topics.costing twice as much to operate than a high
It was a challenge in the seventies, when I wasefficiency, centrifugal pump, they plug up easily.
trying to convince people that they should buy(By the way, the liner guys changed the name to
the Mitsubishi compact fluorescent bulb to savea "submersible pump" and they are now using the
energy. This was the first of its kind and itterm "waterfall pump.") Concrete and rebar
retailed for $12 to $14. Its lumen or light outputconstructed ponds with bottom anti-vortex drains
was equal to a 60-watt incandescent bulb, whichseldom, if ever, plug up.
sold for $ .60 in most stores. I needed toIn the industry magazine, Water Garden News,
convince the engineer at Betty Ford Hospital thatthe vice president of product management for
a $12, 12-watt bulb would save the facilitythe Aquascape Company stated, A lot of the
$35,000 a year in electrical costs. I did so, and ittime, the more energy efficient the [sump] pump,
did!Pumps are no different when it comes tothe less solids and debris it can handle. So often
performance vs. energy consumption. The rule ofthe consumer is excited the pump will only cost
thumb is: If an electrical appliance was engineeredthem $10 a month to run, but what they did not
to be used only occasionally, as opposed toknow is that they are going to have to be out
continually, rest assured, it is not engineered orthere 3 times a week, cleaning the intake of the
built with the highest industry standards in mind.[sump] pump to keep it going. Water Garden
Sump pumps were designed to be submergedNews is a trade magazine that is for
underwater and pump that water to a differentmanufacturers, wholesalers and retailers in the
location. Their most common uses are inwater garden industry. This information was not
basements, bunkers, bilges, and that sort of thing.meant for the consumers' eyes. Until now!Read
These pumps would only come on by demand,my article entitled Pondless Waterfall: Concrete vs.
when a float control indicated a high water level.Pond Liner ; I cover the subject in depth, and
Sump pumps were cheap to buy because theyexpose the truth about pond liner promoters. All
were built cheaply. It did not matter that theyof the costs involved in building a pondless
consumed more energy than the more expensivewaterfall are analyzed by comparing the two
centrifugal pump, since they only came ontechniques: using concrete & rebar or a
occasionally.rubber liner.
These pumps turned out to be perfect for theThe difference in the cost of energy consumption
get-rich-quick liner pond industry for three majorbetween a 5700 gallon per hour sump pump and
reasons:a 5800 gallon per hour high-efficiency centrifugal
They were cheap to buy, as were the liners;pump is staggering. The sump pump uses twice
They were simple to install; and They were easyas much energy, costs $171 more to purchase,
to hide.and its warranty is 6 months less! Look before
One major drawback of sump pumps that theyou leap and research before you weep.
liner pond industry does not share with theirHappy koi, peace and joy.