• Cars & Vehicles
Cars & Vehicles
Browse by
  • Cars
  • Motorbikes & Scooters
  • Vans
  • Campervans & Motorhomes
  • Caravans
  • Trucks
Discover more in our guides
For Sale
Browse by
Services
Browse by
  • Business & Office
  • Childcare
  • Clothing
  • Computers & Telecoms
  • Entertainment
Property
Browse by
  • For Sale
  • To Rent
  • To Share
Pets
Browse by
  • Birds
  • Cats
  • Dogs
Jobs
Browse by
Community
Browse by
  • Artists & Theatres
  • Classes
  • Events, Gigs & Nightlife

13 ads Second-Hand Aquariums for Sale in Newcastle, Tyne and Wear

Newcastle, Tyne and Wear
Sort
Sort
Most recent first
    to
  • Good condition7
  • As good as new3
  • New2
  • Fair condition1
Location
Choose distance
Category
All Categories
Aquariums
Fish tank for sale
17
Fish tank for sale

I have for sale my 125l fish tank this is a very good tank nice thick glass cover on bottom of tank comes with heater and filter i just got the filter with the other tank i bought but I dont need it i wrapped the tank top in white it was oak i haven'

Whickham, Tyne and Wear
£100
Fish tank
5
Fish tank

Fish tanks and racking system pipe work sumps lots of extras £300 no offers pick up only Fenham Newcastle

Newcastle, Tyne and Wear
£300

Results from outside your search

Here are 225 additional results in your extended area

What size aquarium is suitable for my fish?

The ideal aquarium size depends on the type and number of fish you plan to keep. Research the specific needs of your chosen species, considering their adult size and swimming habits. Overcrowding can lead to stress, disease, and poor water quality. Generally, larger tanks are easier to maintain stable water parameters.

What essential equipment do I need for a new aquarium?

Essential equipment includes a filter (to remove waste and maintain water quality), a heater (to maintain a stable temperature suitable for your fish), a light (for plant growth and to illuminate the tank), a thermometer (to monitor water temperature), and a gravel vacuum (for cleaning the substrate). You'll also need a dechlorinator to remove harmful chemicals from tap water.

How often should I clean my aquarium?

Regular maintenance is crucial for a healthy aquarium. Perform partial water changes (around 25%) every 1-2 weeks. Use a gravel vacuum to clean the substrate during water changes. Clean the filter according to the manufacturer's instructions, but avoid cleaning it too thoroughly, as this can disrupt the beneficial bacteria colony. Algae should be removed as needed.

What should I look for when buying a used aquarium?

Carefully inspect the tank for cracks, chips, or leaks. Pay close attention to the silicone seals, ensuring they are intact and not peeling or discoloured. Ask the seller how the tank was previously used and if it has been properly stored. Consider the age of the tank, as older tanks may be more prone to failure. Transport the tank carefully to avoid damage.

What are some common mistakes to avoid when setting up a new aquarium?

Avoid overfeeding your fish, as this can lead to poor water quality. Don't overcrowd the tank. Always dechlorinate tap water before adding it to the aquarium. Cycle the tank properly before adding fish to establish a beneficial bacteria colony. Research the specific needs of your chosen fish species and ensure you can provide the appropriate environment.