🌊 Super Naturals Crystal River – 20 lb Aquarium Substrate

📖 Overview The Super Naturals Crystal River 20 lb Aquarium Substrate by CaribSea is a natural, smooth gravel designed to replicate the look of a bright, clean riverbed. Its light tones add clarity and depth to aquariums, while the smooth texture makes it safe for bottom-dwelling fish, shrimp, and live plants. The 20 lb bag is ideal for medium to large aquariums or aquascaping projects that require more coverage.

🔑 Key Features

• ✅ Riverbed Appearance: Light, natural gravel for a clean aquarium look
• ✅ Smooth & Safe: Gentle on catfish, corydoras, loaches, and shrimp
• ✅ Plant Friendly: Stable base for live plants and aquascapes
• ✅ pH Neutral: Aquarium safe; will not alter water chemistry
• ✅ Convenient Bag Size: 20 lbs provides ample coverage for larger tanks

📐 Specifications

• Brand: CaribSea Super Naturals
• Product: Crystal River Aquarium Gravel
• Weight: 20 lb bag
• Grain Size: ~1–3 mm smooth gravel
• Water Safety: pH neutral, aquarium safe
• Coverage: ~20 lbs = 1” depth in a 20–29 gallon tank

❓ FAQ

Q: How many bags do I need for my aquarium?
A: Use about 1 lb of substrate per gallon for 1” depth.

• 20 lb = ~1” depth in a 20 gallon tank
• 40 lb = ~2” depth in a 20–29 gallon tank

Q: Is this gravel suitable for plants?
A: Yes, it works well as a base for rooted plants and aquascaping.

Q: Does it change water parameters?
A: No, Crystal River is pH neutral and safe for freshwater tanks.

Q: Can I mix this with other substrates?
A: Yes, it blends well with sands or darker gravels for custom aquascapes.