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Most “bad tea” isn’t caused by bad tea. It’s caused by brewing that’s too hot, too long, or too rushed. Tea is sensitive to heat and time, and small changes can flip a cup from smooth to bitter or from lively to flat.

A good brew is simply controlled extraction: water pulls flavour compounds from leaves, and those compounds show up as aroma, sweetness, body, and sometimes bitterness. When the water is too hot or the steep is too long, the balance tilts and the cup loses its charm.
The goal isn’t perfection. It’s a repeatable method that makes your everyday tea reliably enjoyable.
Temperature and time guide (the part you’ll actually use)
| Tea style | Water temperature | Steep time | Notes for best results |
|---|---|---|---|
| Black tea (bags) | 95-100°C | 3-5 minutes | Great with milk; avoid over-steeping if you dislike bitterness |
| Black tea (loose leaf) | 95-100°C | 3-4 minutes | Slightly shorter often tastes smoother and more aromatic |
| Green tea (bags) | 70-80°C | 1-2 minutes | Too hot = bitter; shorter steeps keep it fresh |
| Green tea (loose leaf) | 70-80°C | 1-2 minutes | Use gentler water; consider a second short steep |
| Oolong | 85-95°C | 2-4 minutes | Handles hotter water; flavour opens gradually |
| White tea | 75-85°C | 2-4 minutes | Soft and delicate; don’t scorch it with boiling water |
| Chai blends (bags) | 95-100°C | 4-6 minutes | Longer steep helps spices bloom; often best with milk |
| Rooibos | 95-100°C | 5-7 minutes | Forgiving; longer steep rarely tastes harsh |
| Peppermint | 95-100°C | 4-6 minutes | Cover the mug to keep the aroma and “freshness” |
If you’re using a kettle, the simplest way to hit green-tea temperatures is to boil the kettle, then let it sit briefly before pouring. Your taste buds will tell you quickly whether you need cooler water.
Start with the mug: leaf amount matters
A cup can taste “wrong” even with perfect water temperature if the tea-to-water ratio is off.
A practical baseline:
- One teabag per mug
- One teaspoon of loose leaf per mug (adjust to taste)
Loose leaf brewing can be especially satisfying when you already enjoy a good loose leaf black tea, because small tweaks in leaf amount noticeably change the cup.
Brewing black tea properly (the UK everyday cup)
Black tea is more forgiving than green tea, but it still has a tipping point where it becomes harsh.
For a classic mug:
- Use boiling water
- Steep 3-5 minutes
- Add milk after steeping (so you can control strength)
If your goal is a strong, dependable builder’s-brew style, starting with black tea bags that stay full-bodied makes the whole routine easier.
Brewing green tea without bitterness
Green tea rewards gentleness. Boiling water can pull too much sharpness too quickly.
A smoother method:
- Use 70-80°C water
- Keep the first steep short (1-2 minutes)
- Taste, then decide if it needs another 30 seconds
If you’re still experimenting, green tea bags that taste clean can make green tea feel enjoyable rather than “punishing”.
Brewing chai so the spices actually show up
Chai is not just “tea with a little spice”. Spices need time and heat to bloom.
A simple method:
- Steep longer (4-6 minutes)
- Use boiling water
- Add milk after steeping, or make it on the hob for deeper flavour
If you want a chai that feels properly warming, these chai blends worth brewing will usually deliver more aroma and body than mild “chai-flavoured” teas.
Brewing rooibos and peppermint (the easy evening cups)
Rooibos is forgiving. Peppermint is simple but benefits from time.
- Rooibos handles boiling water well and doesn’t usually turn bitter, which is why rooibos picks that stay smooth are great for late-day routines.
- Peppermint tastes fresher when the aroma stays in the mug, so covering it while it steeps helps. If mint is your go-to reset drink, peppermint tea that actually tastes strong avoids that watery disappointment.
Quick fixes: when your tea tastes wrong
If it’s bitter
- lower the temperature (especially for green/white)
- shorten steep time
- reduce leaf amount slightly
If it’s weak
- steep longer (within reason)
- increase leaf amount
- make sure the water is hot enough for the tea type
If it tastes flat
- check storage (tea loses aroma if left exposed)
- use fresh water
- avoid brewing next to strong food smells
If your tea routinely tastes “tired”, it’s worth improving storage because it protects the aroma. Keeping tea fresh at home often fixes the issue without changing brands.
One calm brewing habit that improves everything
Taste the tea at the halfway point.
That small moment of checking stops over-brewing, prevents bitterness, and helps you learn your preferences faster than any rule-of-thumb.
