Overview
BN-LINK 7-day programmable timer provides independent on/off scheduling for aquarium lights, CO2 solenoids and filters.
BN-LINK gear is commonly used for freshwater planted tanks, nano aquascapes, and routine maintenance — always match capacity to your tank volume and livestock.
Key features
- 7-day programmable digital timer
- Heavy duty — suitable for lights, CO2 and pumps
- Multiple on/off events per day
- Battery backup retains settings during outages
- Standard tool for planted tank automation
What to know before buying
- Confirm tank size, flow rate, or dosage matches your setup (check the manufacturer listing on Amazon).
- Compare the latest Amazon price with local shops — affiliate links do not change what you pay.
- Read recent buyer reviews for packaging, noise level, and long-term reliability.
Who this is for
Ideal if you run a planted freshwater tank or aquascape and want a proven bn-link product with wide availability in the US and international Amazon marketplaces.