under gravel

Here is the fresh water aquarium tank without proper under gravel filter and without internal submersible water filter and purifier. I have got 18 fish currently here :) 22 Gallons fresh water aquarium tank. 2 Pleco 2 Albino Tinfoil Barbs 2 White Butterfly koi (coy) 2 White and yellow koi (coy) 2 Red and White […]