This is one of my favorite fish innovations I invented. It holds the air stone in place, protecting the eggs on the bottom of the bowl and it also tethers the bowl in place when floating floating in a larger body of water. Remove the air source and pull a siphon and you can safely siphon the water down and the airstone works as another invention of mine #airstonefryfilter #goldfish #goldfishbreeder #goldfishkeeper #goldfishunion #ranchu #goldfishjunkie

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