About Vitamin Supplements for Birds

How much do I need?

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100g makes 50 litres of nectar, 50kg of solid food
(cake mix) or 25 kg of seed cones;

200g makes 100 litres of nectar, 100kg of solid food or
50kg of seed cones;

400g makes 200 litres of nectar, 200kg of solid food or
100kg of seed cones;

1kg makes 500 litres of nectar, 500 kg of solid food
or 250 kg of seed cones.