Going away and worrying about your aquarium? Good news: a healthy, established tank copes with absence far better than most people expect. The biggest holiday risks aren't hunger; they're overfeeding by a well-meaning helper, and equipment failure. Here's how to leave with peace of mind.
The Surprising Truth About Feeding
Healthy adult fish can comfortably go a week to ten days without food. In the wild, food isn't guaranteed daily, and a short fast does no harm; it's far safer than the alternative. Most holiday disasters are caused by too much food, not too little.
💡 Pro tip: For a trip of up to a week, the safest option is often to simply not feed at all. An unfed tank is far healthier than one polluted by overfeeding.
Short Trips (Up to 1 Week)
- Do a water change and test parameters the day before you leave
- Clean the filter a few days before (not the day of) so it's running well
- For most established tanks, simply don't feed; healthy fish will be fine
- Check the heater and filter are working reliably
- Put your lights on a timer to keep a steady cycle
Longer Trips (1–3 Weeks)
- Automatic feeder: the most reliable option; programme small, measured portions and test it for a few days before you leave
- A trusted helper: if you use one, pre-portion food into labelled daily containers so they can't overfeed (this is the single most important step)
- Avoid holiday block feeders unless you've tested them; some can foul the water
- Do a larger water change before leaving and consider a partial one arranged on a longer trip
Equipment: The Real Risk
Failure of the heater or filter while you're away is the genuine danger. Before you go:
- Check the heater holds temperature and the filter flows freely
- Replace anything that looks worn rather than risk it
- Consider a second, smaller heater as backup on cold-weather trips
- Make sure plugs and timers are secure
Leave Instructions for Your Helper
- Exactly how much to feed and how often (use pre-portioned containers)
- What a healthy tank should look like, and who to call with concerns
- A clear do-not list: no extra food, no big water changes, no helpful cleaning
The Takeaway
A stable, well-maintained tank is the best holiday insurance. Prepare the week before, resist the urge to over-provide food, and protect against equipment failure, then enjoy your trip knowing your fish are safe.
Find automatic feeders, timers, heaters, and backup equipment in our Aquatics range.
