Steel Ice Tray
Rs. 1,799
MRP Rs. 2,599
30% OFF
4.7/5
Rated by 156 customers
✓ Food-grade 304 / 18-8 stainless steel
✓ Inert to citric acid — no leaching
✓ Dishwasher safe, no odor or stain
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✓ 10 cells, sized for concentrated shots
✓ Dispatched in 3–7 days, with tracking once it ships
✓ Zero plastic contact
✓ Cash on Delivery available in select pin codes
Steel Ice Tray
Rs. 1,799
MRP Rs. 2,599
30% OFF
5.1 mgaluminum leached per 100 g when food is cooked with lemon juice
10,000estimated annual microplastic particles from packaged ice cubes
Inertstainless steel’s actual behavior toward acids like citric acid
Key benefits
Four reasons it earns its place.
🍋
Inert to acids
Won’t react with lemon or citric acid across freeze–thaw — unlike aluminum’s measurable leaching.
🧊
No microplastic pathway
Steel doesn’t turn brittle or shed particles from cold cycling — unlike flexible plastic.
🌿
No odor, no stain
Non-porous. Turmeric stains plastic yellow; it doesn’t stain steel.
🔩
Food-grade 304 (18/8)
The standard used in commercial kitchens and surgical instruments.
Why the material matters
What you freeze it in isn’t neutral.
Freezing is repeated thermal and mechanical stress, and the material responds to it — which matters more, not less, for a recipe built around lemon (pH ~2).
🥤
Plastic
Can shed micro- and nanoplastics as repeated freeze–thaw makes it brittle.
Sheds particles🥫
Aluminum
Measurably reacts with acidic ingredients like citric acid.
Reacts with acid🔗
Stainless Steel
Chemically inert to both — the food-grade standard.
Doesn’t reactHow it works
A thin oxide layer that heals itself.
Food-grade 304 steel resists acid for a specific chemical reason — chromium forms a thin, self-repairing oxide film across the surface.
1
Chromium in the alloy
304 steel is roughly 18% chromium.
2
A passive oxide film forms
Chromium reacts with oxygen into an invisible surface layer.
3
The film self-repairs
Scratch it and it re-forms — the same chemistry as surgical steel.
4
Acid can’t corrode it
That barrier keeps citric acid off the steel, cycle after cycle.
How to use
A two-minute morning habit.
🫚
1
Blend the base
Ginger, turmeric, lemon juice, a pinch of pepper, into a pourable paste.
🧊
2
Freeze in steel
The acidic mix never touches plastic or aluminum at any stage.
☕
3
Drop into hot water
One or two cubes in a cup of hot (not boiling) water each morning.
📆
4
Use within weeks
Compounds hold up frozen, but potency fades with long storage.
Care
After each use. Rinse and dry, or run it through the dishwasher.
Weekly. A vinegar-water soak clears mineral buildup from hard water.
Always. Let cubes sit a few seconds before twisting to release.
Backed by research
The numbers, and where they come from.
| The numbers | Where they come from |
|---|---|
| 178 MPS / LITRE |
19–178 microplastic particles per litre found in packaged ice cubes. ScienceDirect (2022), 15 commercial ice brands. |
| 5.1 MG / 100G |
Aluminium leached from red cabbage cooked with lemon juice at pH 2.6. ScienceDirect & PubMed food-science literature. |
| 2000% — DEBATED |
Curcumin bioavailability with black-pepper piperine (Shoba et al., 1998). A 2025 Amsterdam UMC study found no benefit for the active form — we include both. |
Why choose Tattwas
Compared honestly, material by material.
| Property | Plastic | Aluminum | Stainless Steel |
|---|---|---|---|
| Reacts with acidic ingredients | Can leach additives | Yes — measurable leaching | No — chemically inert |
| Degrades under freeze–thaw | Can become brittle, shed particles | Minimal | No measurable degradation |
| Retains odors / flavors | Common when porous or scratched | Minimal | Non-porous, doesn’t retain |
| Standard in food-service | Limited | Mainly non-acidic cooking | Industry standard |
We don’t upsell steel you don’t need
Grade 304 (18/8) — 18% chromium, 8% nickel — is what reputable steel trays use and is genuinely sufficient for citric acid. 316 matters only in extreme, high-salt conditions.
Depending on the type of plastic, freezing might make it brittle and result in the release of nano- and microplastics. Martin Wagner, PhD — Norwegian University of Science and Technology. The scientist’s own words — not a paid endorsement.
Scientific evidence
Every claim, with its scientific evidence.
Plastic & microplastics. 1. Microplastics in packaged ice cubes. ScienceDirect (2022) — 19–178 MPs/L. 2. Wagner M, PhD — freeze-related plastic brittleness and MP release. 3. MP release from plastic cups. NCBI/PMC.
Aluminum leaching. 4. Al leaching from cookware. ScienceDirect — 5.1 mg/100g at pH 2.6. 5. Al from dishes & packages. PubMed — 2.9–35 mg/kg. 6. Hazardous elements from cookware. NCBI/PMC (2023).
Ginger, turmeric & pepper. 7. Ginger’s anti-inflammatory activity. NCBI/PMC review. 8. Piperine as a bioavailability enhancer. ResearchGate. 9. Shoba et al. (1998). Planta Medica, 64(4):353–356. 10. Kroon et al. (2025), Amsterdam UMC. No piperine benefit on active curcumin. 11. Black pepper spice synergy. IJPREMS.
Steel grade standards. 12. Food-grade steel standards (304/18-8, 316/18-10, 430/18-0) — chromium/nickel and corrosion data.
Is it safe for everyone?
It’s a kitchen accessory, not a medical device. Check with your doctor if you take blood thinners, have acid reflux, or a nickel sensitivity.
The Tattwas Stainless Steel Ice Tray is a kitchen accessory, not a medical device. It is not intended to diagnose, treat, cure, or prevent any disease. If you take blood-thinning medication or manage a digestive condition, speak with your doctor first.
Founder image
From our founder
“Whatever you see, touch, eat or drink… has an energy, and that energy is made from only 5 elements.”
Vishall
Founder, Tattwas
Founder, Tattwas
Good to know
FAQ
Everything you need before adding to basket.
Does freezing destroy the ginger, turmeric, or lemon compounds? +
Largely no — freezing is a gentle preservation method. Storage time matters more; use cubes within a few weeks.
What grade of steel is it, and will turmeric stain it? +
Food-grade 304 (18/8). And no — steel is non-porous, so curcumin doesn’t stain it the way it stains plastic.
Is it safe for everyone? +
It’s a kitchen accessory, not a medical device. Check with your doctor if you take blood thinners, have acid reflux, or a nickel sensitivity.
Is the “2000% curcumin” claim actually true? +
The 1998 study reported it; a 2025 study challenged it for the active form. We present both rather than overselling one.
Steel Ice Tray ·
Rs. 1,799
MRP Rs. 2,599
30% OFF
★★★★★ 4.7/5
Ancient elements, everyday wellness
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