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If you purchase this product you will earn 30 Points that you can spend on livestock in our local shop in Portlaoise.


  • Supply your aquarium fish with stored food for 3 days
  • Use: place food block in the aquarium. It sinks to the bottom. 1 block provides about 15 ornamental fish up to 20 cm in size with food for 3 days
  • The block consists of a calcium compound that adds some general hardness to the water when dissolved. It dissolves slowly as the fish intake the food
  • Natural raw ingredients without artificial additives for a natural diet and healthy aquarium fish. Tested on JBL research expeditions in the tropics
  • Package contents: 4 feeding blocks. 1 block for feeding 15 fish over 3 days
  • Aquariums contain the easiest pets for owners to care for during a weekend or holiday trip! Only very few fish species cannot be fed with commercially available food and will only accept live food.

    For a weekend or longer holiday, the aquarium owners have a choice: either feed JBL PRONOVO WEEKEND (for 3 days) or JBL PRONOVO HOLIDAY (for 2 weeks) or use an automatic feeder (JBL AUTOFOOD), which is filled with their preferred food granulate.

    Most aquarium fish, excluding juveniles, can even manage without food for a day or two – just like in the wild. But a lot of aquarium owners may feel uncomfortable with this and that’s why we have JBL PRONOVO BEL WEEKEND for short absences.

    The food blocks in JBL PRONOVO HOLIDAY and WEEKEND are made of a natural calcium compound which slowly dissolves when the fish “nibble” on it.

    Bottom-dwelling fish such as armored catfish or loaches also quickly smell the food it contains and then also provide themselves with food when needed. Be careful when you ask neighbours to feed your fish! Most people mean well but massively overfeed! Large amounts of food then lie uneaten on the aquarium floor and spoil. This leads to serious problems with oxygen levels and toxic nitrite, which then builds up. A holiday feeder or an automatic feeder (or aquarists as neighbours) are better!


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