Nurtiworx Weekend Fish Food 21g lasts up to 5 days.

Provide your fish with their daily protein and vitamin needs while taking a weekend away.  Each piece is enough for 3-5 days.

The feeder block contains a specially added probiotic formula and food grade lime that helps adjust water quality and stability.  It is safe for all types of fish.

Simply place into the tank and let sit. This will slowly dissolve and release the food.  If there are any uneaten part of the block on your return, remove and discard.

Ingredients: Calcium sulfate, protein-rich powder, vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, minerals, calcium propionate.

Guaranteed analysis:
Crude Protein > or = 1.0%
Crude Fat < or = 2.0%
Crude Fiber < or = 2.0%
Crude Ash < or = 80%
Moisture < or = 20%