Most times, this question will be replied with a "don't worry, your fish will be fine for 10days without eating" reply.
However, as you have 10 tanks, let us know what you have in case you have a special rare fish etc.
75g Planted Barbs Denison, BlackRuby, Tiger, Albino Tiger, Green Tiger, Cherry, Gold, Checkered, Odessa.
NonBarbs Cardinal, Neon, RummyNose, Bloodfin Tetras, Z. Danios. 1RTS. Amano, Bamboo, Ghost & RCS. 20g Long Shrimp Tank RCS, Tiger, Amano.