Pond: 10' x 18', with a depth of 52" .
Gallons: 6000
Formal
pond, with 3" bottom drains as well as a skimmer.
Filtration: Two 4' diameter barrel filters - up-flow gravel
system. The barrels contain Del Rio river rock and high-density black
foam. Filters are provided with extra aeration via a standpipe drawing
air into the water flow.
Pump: A 1/4 h power Sequence pump operates the two-barrel
filters. The waterfall is run by a 2 speed Dolphin pump using a converted
sand filter. The sand filter is filled with ceramic rock that is lightweight
and easily backwashed. All pumps are rated energy efficient
Pre-filter: Settling
tank is 7' diameter by 38" deep. All
water circulates into the settling tank that is filled with water plants
and brushes before going into the barrel filters.
Aeration: Additional (besides waterfall) aeration is provided
by a Maruka 621 air pump, that is plumbed to provide air to 4 different
systems.