Recommended Equipment

Keep reef salinity at 35 ppt (1.026 SG at 25 C) day to day. This 2026 guide ranks five reliable reef salinity monitors—continuous and handheld—and covers accuracy, calibration, and maintenance for stable corals.

Discover the 5 best chaeto reactors for 2026 and how they deliver predictable nutrient export in a compact footprint. Get setup tips for steady Chaetomorpha growth and reduced light spill in your reef tank.

Discover how a balanced reef tank cleanup crew stabilizes nutrients, protects corals, and reduces maintenance. Learn how to pick the right 2026 packs and explore the top five options.

Discover the four best reef-safe fish foods for 2026, built on whole ingredients with low waste. Learn practical feeding tactics and rotation to keep omnivores, herbivores, and picky eaters healthy while protecting water quality.

Discover the five best coral target feeders for 2026 and how precision feeding boosts growth, color, and polyp extension while reducing waste in reef tanks. Learn how to choose and use them for consistent results.

Explore the four best reef tank amino acid supplements for 2026, how they improve polyp extension and color, and how to dose safely for SPS, mixed, or LPS tanks.

Discover why stable potassium is a quiet driver of SPS color, growth, and polyp extension in reef tanks, how to safely dose to 380–420 ppm, and a practical review of five top potassium supplements for 2026—perfect for beginners and veterans alike.

A focused 2026 guide to reef-keeping iodine: choose iodide or Lugol’s, learn the five best supplements, follow a simple dosing/testing workflow, and keep levels stable for corals, inverts, and macroalgae.

Discover the top 5 kalkwasser mixes for 2026 and learn how to choose, mix, and dose kalkwasser to stabilize calcium, alkalinity, and pH in small reef tanks.

Discover how biopellets stabilize nutrients and lower nitrates and phosphates in reef tanks in 2026. Learn how they work, how to choose, setup basics, and compare the four leading options.