Amazon Aquarium Filter Price October 2026: Rs. 30 to Rs. 140 a Litre

A filter tells you how many litres an hour it moves. It does not tell you what that costs. We read 27 aquarium listings on 28 October 2026 from Amazon's own search results and divided the ten that state a flow rate.

They run Rs. 30.57 to Rs. 140 per 100 litres an hour, and the ranking inverts: the dearest filter in the read moves water more cheaply than the cheapest one. Two other things stood out. Searching for a fish tank returns almost no fish tanks, and almost half this shelf is rated below 4.0 stars.

22 of the 27 listings are filters, pumps, air stones or filter media. Exactly one is a tank — a Rs. 949 ten-litre unit with a plant-growing basket. The rest of the aisle is decorative stone, ornaments and sponge pads.

That matters before you compare anything. A shopper who searches "aquarium fish tank" and sorts by discount is sorting a shelf of pumps. Prices here run Rs. 142 to Rs. 1,098 with a median of Rs. 350, which is a narrow band precisely because almost everything on it is an accessory rather than the tank itself.

The floor is a Rs. 269 filter rated for 880 litres an hour — Rs. 30.57 per 100 L/H. The ceiling is a Rs. 350 filter rated for 250 litres an hour, which is Rs. 140. The cheaper tile costs more per litre moved, and it is 4.6 times dearer on that measure for Rs. 81 less money.

The inversion runs the length of the table. The most expensive listing in the whole read, a Rs. 1,098 sponge filter, sits mid-table at Rs. 73.20 — cheaper per litre than six filters that cost less than it does. Flow capacity is the thing you are buying and it is not in the price column.

Star averages on this shelf run 3.2 to 5.0 with a median of 4.0, and 12 of the 27 listings sit below 4.0. On the Amazon and Flipkart shelves we have read through the autumn the median normally lands between 4.2 and 4.4, and a listing below 4.0 is the exception rather than close to half the aisle.

We are not telling you these products are bad. A star average is what buyers reported, filtered through who chose to rate; aquarium equipment is fitted and run by the buyer, and a filter that is undersized for a tank will be rated badly for reasons that are not the filter's fault. What the number does say is that satisfaction on this aisle is measurably lower than on the neighbouring ones, and that is worth knowing before you sort by discount.

The top badge in the read, 74%, is on a Rs. 263 sponge filter with 9 ratings. The only 5.0-star average on the page belongs to a listing with 2. Meanwhile the best-evidenced listing here — 4,029 ratings — is the Rs. 269 filter that also happens to be the cheapest flow on the shelf, at 3.7 stars and a 62% badge.

Median rating count across the 27 is 210, and five listings have fewer than 50. That is thin for a shelf where the equipment either works for months or fails in weeks. One seller accounts for 9 of the 27 listings, so a shopper scrolling this page is seeing less choice than the tile count suggests.

One: check you are looking at what you searched for. Only one of 27 listings here is an actual tank. Two: divide price by stated flow. The spread is Rs. 30.57 to Rs. 140 per 100 L/H and it does not follow the price. Three: read the rating count before the star average. A 5.0 on two ratings and a 3.7 on 4,029 are not the same kind of fact.

Four: size the filter to the tank, not to the badge. Nothing on this page is a claim about filtration performance, noise, durability or fish welfare — nothing was bought, filled, plumbed or run. Aquarium equipment is mains-powered and used in and around water: follow the manufacturer's own installation and electrical safety instructions. Live animals depend on this equipment working, and stocking, cycling and turnover decisions belong with a specialist retailer or a vet, not with a price table. Prices change without notice — check the live listing before buying.