Independent gear research
Clear aquarium gear picks for real tanks.
Specific recommendations for tank size, livestock and maintenance needs, with the tradeoffs stated plainly.
Shop by tank need
Recently published
View all guides
Best protein skimmer for a 75-gallon reef
A shortlist of in-sump and hang-on protein skimmers for a 75-gallon reef, compared by cabinet footprint, water depth, cup clearance, tuning, and bioload.
Best protein skimmer for an all-in-one tank
Compact protein skimmers for all-in-one aquariums, compared by rear-chamber fit, mounting, cup removal, microbubbles, noise, and service access.
Best protein skimmer for a 20-gallon tank
A practical shortlist of compact protein skimmers for 20-gallon reef tanks, including HOB, internal and sump-friendly options.
Best protein skimmer for a 40-gallon breeder
Choose a protein skimmer for a 40-gallon breeder. Compare seven HOB and in-sump options by bioload, footprint, water depth and cup clearance.
Best aquarium CO2 system for a nano tank
Add CO2 to a nano planted tank without unstable dosing or bulky gear. Compare seven compact systems by control, cylinder fit and diffusion.
Best protein skimmer for a nano reef tank
Find a protein skimmer that fits a nano reef without taking over the tank. Compare seven models by mounting, cup access, tuning and noise.