Apcodino 5 Pack Aquarium Air Stone Bar Bubbler 10 cm Bubble Release Tool with Plastic Base

• Reliable Material & Design: Crafted from high-quality mineral material and securely wrapped in a sturdy plastic base, these 10 cm square air stone bars stand up to long-term use. They sink steadily to the tank bottom without floating, creating a comfortable living environment for your aquatic pets.
• Dense & Steady Bubbles: Engineered to produce a continuous cascade of fine to medium bubbles, effectively increasing dissolved oxygen levels and improving water circulation. It creates a stunning bubble wall and keeps aquatic creatures active.
• Versatile Applications: Perfectly sized for small fish tanks, nano aquariums, small buckets, and hydroponic systems. These bubblers deliver steady aeration for both freshwater and saltwater environments.
• Quiet & Efficient Aeration: Enjoy quiet operation while getting stable airflow. These air stones boost oxygen levels without making loud noise, keeping a peaceful atmosphere at home or office.
• Easy Setup & Maintenance: This 5-pack offers great practicality for daily use and replacement. Fully soak the air stone in water for 1 hour before connecting it to standard 4mm airline tubing and an air pump over 2W. Clean regularly with a brush to avoid clogging.

Product description Why Choose This Air Stone Bar Fish, aquatic plants and hydroponic plants need ample oxygen to thrive. Poor aeration leads to stagnant water and sluggish aquatic life. Premium Safe Material Crafted from high-density mineral sand and aquarium-safe weighted plastic base, it sits steadily on the tank bottom without floating or tipping over. Efficient Aeration Performance When connected to an air pump, it produces fine and even bubbles to improve oxygen solubility and enhance water circulation. Wide Compatibility Perfect for freshwater & saltwater aquariums, small fish tanks, ponds and hydroponic systems. Simple to install and use. Product Specifications Package Quantity: 5 Pack Single Size: 10 cm in length Material: Safe mineral sand + sturdy plastic Compatible Tubing: Standard 4mm ID airline tubing (tubing not included) First-use Tip: Soak in water for 1 hour before use Common FAQ Q1: Is it suitable for saltwater tanks? A: Yes, it works great for both freshwater and saltwater environments. Q2: What should I do if bubbles become weak after long use? A: The tiny pores may get clogged. Please clean it regularly with a soft brush to recover normal air output. Q3: Will this air stone float in water? A: No. The weighted base keeps it firmly placed on the tank bottom. Q4: What size airline tubing does it match? A: It fits standard 4mm inner diameter airline tubing. Directions no