Colorful Gravel for Happy Tanks and Cute Decor
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Bring a soft touch of color to your fish tank and craft projects.
This polished tourmaline gravel adds gentle sparkle and natural charm to any aquarium. Each piece is smoothed for easy handling and sized 3-5mm, making it great for fish tanks, flower pots, and even nail art. It’s a fun way to add personality to your setup while keeping things simple and clean.
A small bag with big creative possibilities.
✔ Smooth 3-5mm stones feel great to handle
✔ Natural tourmaline in mixed colors
✔ Easy to rinse and add to your tank or decor
✔ Perfect for aquariums, pots, and crafts
Rinse the gravel before use. Add as a base layer or accent in aquariums, pots, or craft trays. Each pack includes 100 grams of 3-5mm polished stones.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
Is this gravel safe for fish tanks?
Yes. The polished stones are smooth and safe for most freshwater aquariums once rinsed.
Do I need to wash the gravel before adding it?
A quick rinse helps remove natural dust so your water stays clear.
Can I use it for plant pots?
Yes. It adds a nice pop of color and helps top off soil in decorative pots.
The mix of colors brings gentle brightness to aquariums and plant displays.
Every stone is polished for a soft feel and easy handling.
The 3-5mm size works well in fish tanks, pots, and craft trays.
Great for floral arrangements, nail art, and small DIY projects.
Rinses quickly and settles neatly as aquarium substrate.
Better quality stones for tanks, plants, and creative projects.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Polished smooth finish | ||
| Mixed natural tourmaline colors | ||
| Consistent 3-5mm sizing | ||
| Safe for aquariums | ||
| Great for crafts and decor | ||
| Easy to rinse and use | ||
| High visual clarity | ||
| Durable stone material | ||
| Soft, rounded edges |
The stones keep their natural tones well, especially when rinsed gently and used in normal tank or decor settings.
One 100-gram pack works well as an accent layer. For a full base, you may need multiple packs depending on tank size.
Yes. It can be used as a top layer to brighten planted tanks and complement the main substrate.
No. Each piece is polished for a smooth feel that settles gently in a tank or pot.
Yes. It blends easily with common aquarium substrates to add small splashes of color.
Yes. The smooth finish makes it shrimp-friendly once rinsed.
Tourmaline gravel is generally stable, but always rinse before use for best results.
Yes, with supervision. The stones are small, smooth, and fun for simple craft projects.
Swish the gravel in clean water during tank maintenance to refresh it without harsh scrubbing.
