Quick Summary
AMTRA Polychrome is a natural aquarium gravel for use as a decorative substrate. The 5 kg format contains 3-4 mm grains and is intended for freshwater and sea water aquariums.
It is described as natural, non-toxic and gaseous substrate. The product description also suggests arranging the substrate in a thicker layer at the back than at the front to create a gradient effect.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | AMTRA – helps identify the exact product range. |
| Product type | Natural gravel for aquariums – used as a decorative bottom substrate. |
| Variant | Polychrome – the named finish or style to check before choosing an offer. |
| Grain size | 3-4 mm – important for appearance and the feel of the substrate. |
| Format | 5 kg – the stated pack size. |
| Use | For freshwater and sea water aquariums – confirm this matches the intended aquarium setup. |
What to Compare Before Buying
- Pack size: This format is 5 kg. Check whether that amount suits the area you want to cover.
- Grain size: The grains are 3-4 mm. Compare that with the look and substrate finish you want in the tank.
- Use: It is intended for freshwater and sea water aquariums. Make sure that matches your setup.
- Layout: A thicker layer at the back than the front is suggested to create depth. Check whether that effect suits your aquascape.
What Is Included
One 5 kg pack of AMTRA Polychrome natural gravel.
Before You Decide
Confirm the 5 kg pack size, the 3-4 mm grain size and the Polychrome variant before choosing an offer. If you want a decorative aquarium substrate for freshwater or sea water use, this format gives you a natural gravel option with a stated gradient-style layout suggestion.
