Cichla + Potamotrygon Tank : I need your help in conception

  • We are currently upgrading MFK. thanks! -neo
That is a fantastic tank, exactly the tank i'd model my own off.
A debate i regularly have with myself is only go 3' deep and have all glass or exploit height with a wall then glass like you have, how does that fair with keeping rays and other bottom dwelling fish?
I've viewed dozens of your video's, i only see the rays when you go diving with the camera - do you ever see the rays up close and personal via the eye?
Was the concrete done via blocks and rebar or poured into a wooden frame?
where is the filtration? just the box above?
How are the plants watered? manually?
Is it possible to get a video of the arowana striking insects from above?
 
honestly, if you have a "back up" tank, take a big front glass and go for seeing your rays and others to the bottom of the tank... but if you don't have a back up tank, you'll probably need a "safe box" in concrete (as I have) to stock your monsters if once, you'd have to make a modification on your main big tank. It's not that easy to stock monsters of more than 1 meter wide (Arowanas now and female leopoldi stingrays in a few years). That was my choice and compromise... safety first...

considering Panaque and Stingrays, they do use the hardscape of the tank to climb on it... and every evening when feeding or going around this tank, I see the rays on the background 2/3 part of the tank's bottom... with my concrete wall, I "loose" 1/3 of the front bottom vision when facing the tank. But it's not that important...

the concrete wall was poured into a wooden frame, with steel bars inside it to consolidate it all. I must find some picture of it under construction... let me a while to repost them...

the filtration is the small OASE SmartPond 140000 for a part, but most of it is a pool sand filter (90 liters sand, for 12'000 l/hour, 3x7 hours a day) for biological/mechanical filtration

the plants simply receive a drop-by-drop tap water from above, by a thin pipe which delivers 4'000 liters a week, and I have a overflow driving directly into the house waste waters evacuation system.

considering your last request, I unfortunately never have been able to shoot a decent video of an insect hunting game... with big green grasshoppers, it's very impressive... but it's way to difficult to shoot because of the plexiglass suspended doors... and I can't leave them open without the risk of finding an arowana dead and dry on the ground...
 
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