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Re: [Killietalk] cool water versus oxygenated water
Right on, Gary. One of my friends, Henri DeBruyn developed a cheap (easily
built) filter of the Wet/Dry variety. The water was bubbled up and over lava
rock. Upon falling back, through holes in the bottom of the tray, it fell as
a waterfall. Henri measured oxygen levels almost 30 per cent higher than in
a still tank and slightly cooler. He felt, as you suggested the oxygen level
was the most important feature and cooler water retains more oxygen. I might
mention, Henri raised almost every type of Aphyosemion available, even when
he lived in Florida about five years. His homemade filter is a real boon to
"cool water' killifish breeders. By the way, it is described in JAKA
Henri stumbled onto this fact some years ago in Belgium A very hot summer
season occurred -- unusually hot with temps in the 90"s and most homes do
not have much A/C as this is so unusual. Most of his killifish breeder
friends lost their killifish whereas Henri was using his modified Wet/Dry
filters and lost very few fish. Further experimentation on his tanks
revealed the higher oxygen levels in his tanks with the special filters.
Yep, Henri is a true scientist and observes things very closely.
Good luck with cooler water.
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