a fish dies every day help

Hmm. I honestly cant think of anything else besides contaminates from the runoff. IMO, the OP is leaving something out of the equation or we are just looking at simple things that we are used to seeing. Many of us ( at least me) havent dealt with a tank of that size and any problems that occur with tanks of this size. The OP might have better luck posting in other forums as well just to see what other communities have to say.

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tan has been running for 6 weeks I did so 4 but its 6 and yes I did say 11 fish I just made a guess as the tank is so big didn't think it would matter so there are 26 about
 
dimensions? Width: 62cm (24.41")
Height: 88cm (34.65")
Depth: 153cm (60.24")
Your tank's volume is 834,768.0 cubic centimeters or 834.8 liters, which is approximately 214.6 U.S. gallons.
 
no and just found out my heater are not working right the temps been round 28c just got new 1 today ill bring it back too 23c that should be ok and no fish died today yay :jaw-dropping:
 
length x width x depth = as an example 72" x 18" x 22" = approx 125 gallon tank

Length = end to end across the front or back
width = front to back
depth = top to bottom

I am guessing but I would guess 250-280 gallons
 
Tank Width:The width of an aquarium is the distance across the front Tank Height The height of an aquarium is the distance from top to bottom Tank Depth The depth of an aquarium is the distance from front to back. mine are as I said :dimensions? Width: 62cm (24.41")
Height: 88cm (34.65")
Depth: 153cm (60.24")
Your tank's volume is 834,768.0 cubic centimeters or 834.8 liters 214.6 U.S. gallons.
 
Could just be regional difference in nomenclature. Mathematically speaking, you're going to get the same volume, no matter what order you do the math. Tank speaking, in this case, there aren't questions about the height or footprint, so it doesn't matter.

24-26C is pretty typical for most tropical fish needs. 28C shouldn't be problematic for tropicals.

I'm still leaning toward contaminants from your roof being the cause of all of the deaths. It's really the only thing we don't have easy tests to point to *and* could be easily toxic to your fish.
 
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