Good day...Can I ask for some tips on how to make my kuhako koi beni deep red.I had this koi last march for growout contest.and its size was 10cm or 15cm and now i think it ismore than 30cm.but its beni is not that red that i want it to be.Can anyone help me develop the beni of my kuhako.and i feed them jpd products...thank you.