Keeping goldfish in tropical conditions speed up their metabolism,
thereby making them grow quicker and die earlier.
You can see this in the forestry with the radiata pine,
slow growing in your part of the woods Caper, (woops, sorry about that unintended pun),
but in NZ are huge in 25 years.
Of course we harvest them before that tho.
By the way, MTS does not hurt you, but it does sting in the wallet tho.
Alan 104