ok i dont feed my piranhas feeder gold fish but one time a week i feed them koi pond fish do i have to quarinten them?
BlackShark11k;3271142; said:I wouldn't feed koi... not very nutritional plus they have lots of thiamine which can lead to vitamin b1 deficiency...


NIce so now we have it, that you are saying that Koi are full of Vitamin B1 and that them having vitamin B1 is going to cause them to be deficient in that vitamin!!


