Thanks, I have been getting about 8" of growth a year out of my Chagoi. It really helps to be able to keep the pond at 70+ most of the year. These pictures are about a year old, she is five years old about 37" now and probably 35lbs or so.
Just wanted to say hello
- Thread starter Moneypit
- Start date
The pond is covered for the winter, I will try and get some soon and get them posted.
Sure, I have two loops of radiant tubing in the pond shell. One is inbeded in the concrete bottom and the other runs through the bond beam block in the walls.
The four lines two supplies and two returns run from the pond under ground and into my basement where I have a manifold.
The Manifold is heated from flat plate a heat exchanger that I heat from my domestic water heater. This protects my domestc water from contamination. The water heater is a high BTU model (65,000BTU). I have it set up on a timer so it does not run the pond heating at shower and bathing times.
It is a pretty simple set up, I have a aquastat installed in a well in my filter pit that trigers a relay that controls the two pumps. One pump on the water heater side of the heat exchanger and the other on the manifold side. I also have a high limit aquastat set at 85 degrees so if the main one were to fail in the closed position and continued to heat the pond the high limit will shut it down before I cook my Koi. The pond and underground piping is fully insulated with R-10 and costs me about $50.00 a month to heat in the winter.
Using the concrete shell as a giant heat sink keeps the temperature verry stable.
Yes, I run off a 65,000 BTU water heater so at 75% efficient I have about 48,750 BTUs avaliable to heat the pond. One watt is equal to 3.41BTUs so a little over 14,000 watts.
