Who is buying a single tin?

One-meal shoppers

If you need tuna for a sandwich, salad, jacket potato or quick pasta meal, a single tin lets you choose the quantity for that dish. Compare drained weight as well as can size if you want to limit leftovers.

Ingredient-conscious shoppers

If you prefer spring water to a flavoured sauce, check the exact ingredients. Compare nutrition figures on the same per-100g basis rather than assuming tins with similar descriptions have identical contents.

Sourcing-focused shoppers

If a certification or catch-method statement matters to you, look for it on the exact tin you plan to order. A statement about one product does not establish how every tin from that brand is sourced.

What matters when choosing?

Concern What to check Who this matters to
Portion size Confirm that the item is one tin, then compare net and drained weights where both are stated. If I am making one sandwich or salad, I want enough tuna without opening more than I need; about 30% of consumers put portion fit first.
Liquid and label Read the ingredients and compare nutrition on a consistent per-100g basis, particularly when choosing between plain and seasoned tuna. For a recipe I will season myself, the packing liquid and label matter more to me than the can size; about 30% of consumers primarily focus on those details.
Delivery suitability Check the item in your basket for the selected slot and review its size and packing liquid if you allow substitutions. When my meal depends on this grocery order, I need the right single tin to arrive; delivery suitability comes first for about 20% of consumers.
Sourcing statement Check the claim or certification on the exact product listing or pack, not just the brand name. If sourcing determines which tin I buy, I need a statement tied to that product; about 20% of consumers make it their primary concern.

Common buying mistakes

  • Reading can weight as tuna weight

    Liquid takes up part of the can. Ocado lists 102g drained for its 125g John West MSC spring-water tin, while Tesco lists 112g drained for its 160g spring-water tin.

    Use drained weight to judge the portion when it is stated, and confirm that the listing is for one tin rather than a multipack.

  • Assuming spring-water tins have identical labels

    The salt figures listed for the reviewed spring-water products differ. M&S lists 0.75g per 100g, Princes lists 0.85g per 100g drained, and Tesco lists 1.0g per 100g drained.

    Compare the exact packs on the same nutrition basis instead of choosing by packing liquid alone.

  • Relying on a search result for delivery

    A search result does not confirm what can be supplied for your slot. Tesco’s reviewed 160g listing was marked out of stock when checked.

    Check the live basket after selecting a slot, and set substitution preferences around the can size and type of tuna you need.

  • Overlooking what happens after opening

    A larger tin may leave tuna unused after the meal, making the pack’s after-opening instructions relevant.

    Check those instructions before ordering a larger portion. The listed instructions for the Morrisons Fad Free tin call for leftovers to be refrigerated in a non-metallic container and consumed within two days.

Brands to consider for a single tin

Princes

Princes lists a 145g Tuna Chunks in Spring Water tin alongside multipack formats.

  • Princes lists 23.5g protein and 0.85g salt per 100g drained for this product.
  • Check that the online item is the 145g single tin, not one of the multipacks.

John West

Ocado lists a 125g John West MSC Tuna Chunks in Spring Water tin with 102g drained weight.

  • The listing identifies MSC certification for this product and gives 25g protein and 0.80g salt per 100g drained.
  • The listing declares fish and warns that the product may contain bones; check the exact pack information.

M&S

M&S lists a 160g Tuna Chunks in Spring Water tin and states that this product is pole-and-line caught under its Forever Fish policy.

  • M&S lists 23.5g protein and 0.75g salt per 100g for this tin.
  • Check the selected store or online basket for availability; the product listing alone does not confirm a delivery slot.

Tesco

Tesco lists its own-brand Tuna Chunks in Spring Water as a 160g tin with 112g drained weight.

  • The stated drained weight makes it possible to compare the tuna portion with tins of other net weights.
  • The listing was marked out of stock when reviewed, so check its current status for your order.

Single-tin options on Joybuy

These single tins cover plain spring-water tuna and ready-seasoned tuna in sauce. Choose by the meal you are making, then check the exact item and delivery details before ordering.

Morrisons Fad Free Tuna Chunks in Spring Water 145g tin

Morrisons Fad Free Tuna Chunks in Spring Water 145g

A plain spring-water option when you want to add your own dressing or seasoning to one meal. The listing identifies one 145g tin and gives nutrition per 100g drained; if the amount of tuna matters to your recipe, check the drained weight on the pack.

View on Joybuy
John West Infusions Tuna Sweet Chilli 80g tin

John West Infusions Tuna Sweet Chilli 80g

Consider this single 80g tin when sweet-chilli flavour suits a sandwich or salad. The listing describes it as needing no draining; it contains a sweet-chilli marinade with sunflower oil, rather than plain tuna in spring water.

View on Joybuy
Century Tuna Flakes in Adobo Style Sauce 180g tin

Century Tuna Flakes in Adobo Style Sauce 180g

This seasoned single tin is an option for a meal where adobo-style sauce suits the dish, rather than one needing a plain tuna base. The listing states 180g net weight and 60% tuna content; its sauce ingredients include soybeans and wheat, so check the pack’s allergen information.

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Century Tuna Flakes in Caldereta Style Sauce 180g tin

Century Tuna Flakes in Caldereta Style Sauce 180g

Choose this single tin if its tomato-based Caldereta-style sauce fits the meal you have planned. The listing states 180g net weight and 55% tuna content; its ingredients include soybean oil, and the allergen information says it may contain milk.

View on Joybuy

Questions about single tins

Does a larger can always mean much more tuna?

No: compare drained weight where it is stated. Tesco lists 112g drained for its 160g spring-water tin, while Ocado lists 102g drained for the 125g John West MSC spring-water tin; the net weights alone do not show how much tuna each contains.

What should I do with tuna left after opening?

Follow the instructions on the exact pack. The reviewed John West and M&S product information calls for unused tuna to be transferred to a non-metallic container, refrigerated and consumed within two days.

Is a best-before date the same as a use-by date?

No. GOV.UK explains that a best-before date concerns food quality, whereas a use-by date concerns safety. Check the marking and storage instructions on the tin you receive.

What allergen information should I check?

Tuna products contain fish, but sauces can add other ingredients. Check the exact pack: the listed Century adobo-style tuna includes soybeans and wheat, while the Caldereta-style product includes soybean oil and says it may contain milk.

Does an online search result confirm I can order the tin?

No. Check the item in your basket for your selected delivery slot. Tesco’s reviewed 160g listing was marked out of stock when checked, and a suitable substitute still needs to match the size and type of tuna you intended to buy.