After testing the VINICS 2-4mm aquarium gravel in my 10-gallon fish tank, I can confidently say this is one of the most versatile substrates I've used. The medium-sized tan pebbles created a natural riverbed look that my Corydoras absolutely love digging through without harming their delicate barbels.

The gravel required significant rinsing (about 5-6 washes) as others noted - my first rinse water turned completely brown! But this is normal for natural gravel, and the effort pays off with crystal-clear aquarium water afterward. Unlike cheaper alternatives, these stones maintain their color and don't degrade over time.

Beyond aquariums, I experimented with these pebbles in surprising ways:

- As succulent potting medium: Provided perfect drainage for my jade plants while looking far more attractive than typical green foam bases

- In resin art projects: Created stunning creekbed effects when embedded in clear epoxy

- As wedding decor: Made elegant vase fillers that guests constantly complimented

The only drawback is the price point - while convenient for small projects, bulk buyers might find better value at landscaping stores. But for aquarium use where cleanliness and safety matter, the premium is justified.

After 3 months of use, my tank water parameters remain stable, the gravel hasn't broken down, and most importantly - all fish are thriving. This product delivers exactly what it promises across multiple applications.