Submersible Fish
Monday, July 14th, 2008
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 3 in1 750L h Fish Tank Submersible Pump 75W Salt Water US $1.40 |
 Aquarium Small Fish Tank Submersible Filter Pump 2W US $1.57 |
 Hagen Elite Submersible Fish Aquarium Heater 300W US $17.99 |
Should a mini Submersible Aquarium heater do this?
Just brought a mini submersible heater for my fish tank, and i've got it all set up, and i've turned the power on, and the heater has a "pilot light" to indicate whether its on or off, if the light is on, the heater is on!!!!! But the light keeps flickering every 20 minutes or so, and stays off until i turn the heat down and then back up again. Can someone please advise?
For those that i "argued with, i apologise, i was just in the mood for winding someone up. Would appreciate your answer as i am stumped!
Thanks in advance!
Not sure what you're asking. It's supposed to do that. It got to the temperature it was supposed to reach and turned itself off. It doesn't t urn back on until the temperature drops - it has a thermostat inside it so it can tell.
When you turn the heat down and back up, you're resetting the thermostat so the heater comes back on to make sure it comes back up to temp.
Submersible Pond Pump -- Choice and Maintenance
Having your own pond can significantly enhance your garden design by giving it a picturesque, more natural look. The ability to add additional decorative elements like waterfalls, fountains and figure-shaped water spouts can create a relaxing place for you and your family to enjoy, with the calming sound of flowing water and sky reflection in between ripples from passages of koi fish. Choosing and maintaining your submersible pond pump correctly has a direct impact on the performance of your pond and the natural balance inside it.
There are two important factors that govern the choice of a pond pump. The first is the volume of water that the pump is meant to deal with and the second is the height of the waterfall or fountain system inlet that leads the water up and out. In the case where it is simply desired that water is flowed around without the use of additional external stream units, the only remaining consideration is the volume of Pond Water that your pump has to deal with.
When calculating the volume for a fountain and similar structures, you need to take into account both the width and height of the inlet of the unit. Make sure to measure the height by starting from the water surface up rather than from the bottom of the pond. Add 20% to the result to get the final number. This is done in order to make sure you get optimal water flow even when the system is underperforming or there is a drop in water pressure. By using those measurements and applying them to the reference table that pond pump manufacturers provide for their models, you can easily make the best choice to fit your pond and needs.
For pumps that are going to cycle the pond water only, without the use of decoration and additional streams, it is best to use the whole volume of the pond as a measurement. For instance if you have a pond of 500 gallons that would mean you need a pump that has the capacity of 500 gallons per hour. That is not always the case with bigger ponds where the ratio becomes nonlinear, so it's best to stick to the provided GPH (gallon per hour) rate tables provided by manufacturers.
When it comes to pumping technology, try to avoid systems that use a sponge in their casting and spend a bit more for a magnetic driven pump. The operational cost in the long run far overcompensates for the increased initial cost of the pump. When it comes to filtering, whether or not you choose to have such is mainly down to the type of pond you're going to utilize. Life forms like koi fish require very clean and regularly purified water in order to survive. Ponds that are susceptible to contamination and pollution from their surroundings should also be equipped with a filtering water pump.
Submersible pond pump is an excellent device, especially for smaller ponds, not only to create beautiful effects that improve the image of your garden, but to improve the water quality and provide you with an easy way to empty the pond bed whenever you have to.
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Submersible Offshore Fish Farming Cage n°3