Redundancy vs Complexity

Is adding another pump to a system to supplement aeration adding to the complexity and failure points in a system or is it adding redundancy to protect your system in case of some other failure?

Some where not too long ago I saw some one stating that they wouldn’t want to add another pump . . . → Read More: Redundancy vs Complexity

Battery Backup

Power can go out on occasion and a heavily stocked fish tank can run our of dissolved oxygen in short order when water flow stops. I hooked up a battery backup that would be able to run my air pump for at least 20 hours before running the battery down below half charge. My . . . → Read More: Battery Backup