Estes Glosstone Special Black 5-5lb Case
Estes has been America’s number one manufacturer of aquarium aggregates for over forty years. Their products are non-toxic and safe to use in aquariums, terrariums, and planters. Royal Item Number: AES40506
Product Specifications
| Item | Color: Black |
|---|---|
| Weight | 5 lb |
| Package Type | Case |
| Usage | Aquariums, Terrariums, Planters |
| Material | Non-toxic Aggregate |
FAQ
Is this product safe for use in fish tanks?
Yes, Estes Glosstone Special Black is non-toxic and safe to use in aquariums, terrariums, and planters.
What is the weight of the case?
The case weighs 5 pounds.
Is this product suitable for use in planters?
Yes, it is safe and suitable for use in planters, terrariums, and aquariums.

Stephanie Rampling –
I used this in my freshwater aquarium and it holds the substrate well. The black color blends nicely with the tank. No issues with fish or plants. Good quality and consistent texture.
Anne Kerr –
Works well for my terrarium setup. The material is stable and doesn’t break down easily. A reliable choice for garden and indoor planters.
Luke Cameron –
Ordered for my new planted tank. It’s easy to mix in and provides good structure. Non-toxic, which is a big plus for fish safety.