How Much Aquarium Supplies Do I Need? A Practical Checklist

In this guide

One of the most common questions from someone about to set up their first tank is simply how much of everything to buy. Too little and you are making emergency trips to the shop mid setup; too much and money sits unused on a shelf. Here is a practical, India ready checklist broken down by category.

Core equipment, bought once

These are one time purchases that should be sized correctly for your tank from the start:

• Tank and stand, sized and rated for the tank's filled weight
• Filter, rated for at least your tank's total volume, ideally with some margin above it
• Heater, roughly 0.8 to 1.3 watts per litre of water (about 3 to 5 watts per gallon) for most tropical community fish in an average room, though check the specific wattage guide for your tank size and consider two smaller heaters instead of one for tanks over 150 litres
• Thermometer, either a stick on strip or a digital probe
• LED light with a timer for a consistent day and night cycle
• A fish net, algae scraper and a bucket kept only for aquarium use

Substrate and décor, bought once at setup

As a rough guide, plan for around 1.2 to 2.5 kilograms of gravel per 10 litres of water for a typical 5 to 7 centimetre substrate depth, more for a heavily planted tank that needs deeper substrate for roots. Décor such as driftwood, rocks and artificial or live plants is a matter of taste, but leave open swimming space rather than filling the tank edge to edge, both for the fish's comfort and for ease of cleaning later.

Consumables, bought regularly

These are the ongoing purchases that keep the tank running week to week:

• Water conditioner or dechlorinator, used at every water change
• A liquid test kit for ammonia, nitrite, nitrate and pH, refilled every few months with regular use
• Fish food, sized to what your fish will finish in two to three minutes per feeding
• Filter media replacement or rinse supplies, checked monthly
• A beneficial bacteria supplement, useful at setup and after any big water change or filter clean

A sensible starting budget in India

A basic 40 to 60 litre freshwater setup with tank, filter, heater, light, substrate and starter consumables typically runs from around five to twelve thousand rupees depending on brand and whether you buy a kit or individual pieces. Ongoing monthly costs for food, conditioner and electricity are modest, usually a few hundred rupees, making a well planned freshwater tank one of the more affordable pet hobbies to sustain once the initial setup is done.

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