Don't overcrowd your pond...Koi will grow very fast and the
size of your pond depends on how big your Koi will get...a
pond of 165 gal.can take no more than 9 Koi.I also add a
few tadpoles to make your pond more interesting.
Tip:
Remember to clean your filter at least once a week in the
summer....this will keep your pond crystal clear...and your fish happy and healthy.