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Originally Posted by hi utsuri_jp  I would say that there was not much in the differance but the other costs to go over 3 kw would count agaainst it I.e. dedicated socket bigger cable to the socket and the fuseboard in the shed.
i think its more the case of how fast the pond looses water rather than how big the heater is suppose to be. but if the above was not an issue then i would say bigger is better. |
spot on chap , welcome to the forum/nut house
i run mine on a diffrent pump , as you want the water coming out the heater to be warm , not tepid , as it will take forever to heat your pond , i used to run a smaller air pump from the house as did want to put cold air in
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