maybe do a water change it will come right
i find scats can start getting a bit agressive with each other and a cloudy eye can be the result
it usually comes right by itself but i do a waterchange to make sure
could be it needs a water change or a bit more disturbance on the surface
uneaten food in tank, filter wool needs changing
there are a few possibilities
or it could just mean at the top of the tank next to the tank wall there is a line of small bubbles .
i blew 2 smaller gens trying to run my marine tank
ended up hiring a 6kw, not cheap though
those heaters can kick in at the same time
heating is the big drain on the power
i posted the link to the fact sheet as i have seen rotenone used before
stella and aquilla have made well written posts outlining why it is proposed to use it
it is only when you have the facts of both sides you can make an informed descision on the matter
hi kragura welcome to the forums
remember when buying livestock in nz, there is freight, quarantine charges, MAF charges and markup exchange rate and markups on that 21 dollar fish