How long can a mini reef tank set aside for?

w / feeding stations, timer, etc, etc, im wondering why is all

not as long as water parameters will change, the fish will be fine with the car for feeds until exhaustion, but water parameters will change due to evaportation, the loss of chemicals, etc. .. So no more than 2 weeks maximum, without much damage.

Wall Aquarium w/ Automatic Feeder ~ Aquavista Panoramic (Spanish)

Aquarium Automatic Fish Food Tank Feeder Timer Home BLK $16.99 Your fish can enjoy your considerable care and love at home whenever you are. Features: -Mini shape, space saving -Simple operation and installation -Safe and convenient -A clear easy-to-read LCD screen which shows all info at a glance. -Patented design for moisture proofing, mixing, and crumbling food -Fill the container with food without disassembling the automatic feeder -Programmable food vo…

Aquarium Automatic Fish Food Tank Feeder Timer Home BLK $16.99 Your fish can enjoy your considerable care and love at home whenever you are. Features: -Mini shape, space saving -Simple operation and installation -Safe and convenient -A clear easy-to-read LCD screen which shows all info at a glance. -Patented design for moisture proofing, mixing, and crumbling food -Fill the container with food without disassembling the automatic feeder -Programmable food vo…

Professional Pond-Fish Automatic Feeder With LCD display(Up to 90 Days Promgrammable Feeding Schedule) This is a water-resistant, free-standing and mountable pond-fish feeder. When you are out of your house for a bit long time, you can use it to feed your fish automatically. You can also use it when you are at home, so that you don’t need to feed your fish every day. It is very convenient for you to feed the fish.Feature:a) Color: Grass green b) Dimensions: 7.8′ (19.8cm)in diameter, 10.3′ (26.2cm)i…