Name: Blue Zone Aquarium
Price range: $$$

- Stainless Steel Submersible Aquarium Heater – 300W
- Local pickup and delivery available in Chico, CA. Same-day delivery for local orders placed before 6 PM. Ships nationwide next business day from Northern California.
- $25.99
- CO₂ Tubing – High-Pressure TPU
- High Pressure Aquarium CO2 Tubing – 5m
  
  Durable, flexible, and built for serious planted tanks. This 3-meter polyurethane CO₂ line from Blue Zone resists kinks, handles pressure, and includes suction cups to keep your setup clean. Perfect for diffusers, regulators, and inline gear.
  
  Free store or curbside pickup today. Ships next business day from Northern California.
- $9.50
- Aquarium Air Pump with 36-Hour Battery Backup
- Dual outlet USB aquarium air pump with 35-hour battery backup. Ultra quiet, compact, and rechargeable. AC adapter included.
- $42.99
- Aluminum CO2 Bubble Counter with Built-In Check Valve
- Direct mount standard M10 CO2 bubble counter with clear chamber and built in check valve for accurate, stable CO2 adjustment.
- Price range: $8.99 through $25.00
- inline CO₂ bubble counter with Check Valve
- Inline CO₂ bubble counter with internal check valve
- Price range: $11.99 through $19.99
- Aquarium CO2 Regulator with Solenoid
- Single-stage CO₂ regulator with standard M10 threaded outlet and hose barb connection. Compatible with bubble counters, inline bubble counters, and M10 splitters.
- $69.99
- Stainless Steel CO2 Check Valve
- Protect your CO₂ system with this durable, backflow-preventing one-way valve. Built for standard 4/6 mm tubing and rust-resistant performance.
- $8.95

Single-stage CO₂ regulator with standard M10 threaded outlet and hose barb connection. Compatible with bubble counters, inline bubble counters, and M10 splitters.