How to cut mackerel to feed fish

[abominus]

How do I cut mackerel into smaller pieces so I can feed it to my rtc

 

[Midwater]

You should not feed mackerel. Only feed river fish. Can you get tilapia?

 

[abominus]

Can you get tilapia?

i can. But why can't i feed mackerel? is it toxic

 

[spotfin]

Mackerel is really oily. It may degrade your water quality. What size is your rtc?

 

[abominus]

Mackerel is really oily. It may degrade your water quality. What size is your rtc?

it is about 6 inches

 

[Midwater]

i can. But why can't i feed mackerel? is it toxic

Freshwater fish do not naturally eat sea fish. So to be safe, only feed river fish.

Tilapia is easy to get and is low in Thiaminase.