Should I put a bottom drain in my koi pond?
Should you put a bottom drain in your koi pond? If you’ve asked this question online anywhere, you’ll see endless debates on the matter. Some of the forums get pretty emotionally charged on this subject even.
The claim by many koi keepers is that the water will lack sufficient oxygen at the lower levels, and this insufficiency can be detrimental to your koi.
The real fact is that if you avoid making your pond any deeper than two feet, there is very little difference in the oxygen levels at the surface and at the bottom of the pond.
The problem we see with bottom drains is that they have a tendency to promote leaks, possibly leaving your fish land-locked. Now that’s a problem to avoid at all costs. We do not recommend them.
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