Not all those who wander are lost
- Jun 22, 2011
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I'd opt for more pumps than just one. If one goes out, you still have the other(s) to give you flow and aeration. So, look for something that can do half or even a third of your volume and multiply for the number of pumps you might need.Thank you very much for the detailed instructions! I am working on the basic cleaning with the pool pump and filter as the first step, while researching how to build a bog. I am still not clear how to build a separation between the pool and bog in the concrete pool. For pond pump, I read some recommendations for laguna submersible pump, but if my pool has about 20000 gallon water, I don't see any model that can turn it over 1 time per hour.
Re bog INSIDE your pool; were it mine, I'd create a wall inside your pool and line it. This wall should have some protection against the bottom liner if you have one, or if your pool is all concrete, you probably don't need it. The liner will separate the water inside the bog from your pool. You'd pump water to the bottom of your bog and then let it rise up through the various levels of gravel/rock. I'd make sure this bog section is higher than your pool so the overflow will provide a waterfall effect, which adds to your aeration.
Re fish; as noted above, shubunkin are both colorful and easily managed, and not nearly as expensive as koi. For the most part, you'll not even have to feed them as they'll get sustenance from the algae growing on your pool surfaces as well as any insects that fall/live in the water. That then will provide sustenace for your bog and in turn, help keep the water clear. It's the free floating algae you want to minimize as it's the one people don't like but fish don't mind.