Bryopsis in a Reef Tank: Identify It Before Treating

Bryopsis in a Reef Tank: Identify It Before Treating

Fern-like branching can suggest Bryopsis in a reef tank, but appearance alone is not proof. Use careful identification, physical control and label-guided decisions before any tank-wide treatment.

What Eats Bubble Algae in a Reef Tank? Compare Helpers and Limits

What Eats Bubble Algae in a Reef Tank? Compare Helpers and Limits

Emerald crabs are the usual answer to what eats bubble algae in reef tank, but appetite, tank size and alternative food decide the result. Compare realistic helpers, plus removal and prevention steps.

40 ppm Nitrate in a Reef Tank: Urgent Problem or Trend to Check?

40 ppm Nitrate in a Reef Tank: Urgent Problem or Trend to Check?

Check whether 40 ppm nitrate in a reef tank is an urgent problem: confirm the nitrate vs nitrate-N unit, repeat the test, then judge by coral type and the trend.

Raising Nitrate in a Reef Tank: Confirm Zero Before Dosing

Raising Nitrate in a Reef Tank: Confirm Zero Before Dosing

How to raise nitrate in a reef tank without guessing: confirm the test unit and detection limit, repeat a zero reading, rebalance nutrient import and export, then dose only per a product label with retests.

Low pH in a Reef Tank: Check CO₂ Before Chasing Alkalinity

Low pH in a Reef Tank: Check CO₂ Before Chasing Alkalinity

A reef tank pH low reading usually traces to excess CO₂ or a drifting probe. Verify calibration, read the day/night swing, and fix air exchange before dosing buffers.

Saltwater Tank Cloudy After a Water Change: What Changed?

Saltwater Tank Cloudy After a Water Change: What Changed?

Why is your saltwater tank cloudy after a water change? Separate stirred sand, microbubbles, bacterial bloom, and precipitation by timing, then fix the batch.

Raising Phosphate in a Reef Tank Without Overshooting

Raising Phosphate in a Reef Tank Without Overshooting

How to raise phosphate in a reef tank without overshooting: verify the test unit and detection limit, find the cause, dose only per a product label, and retest between steps.

Fish Diseases: How to Identify, Confirm, and Treat Common Aquarium Illnesses

Fish Diseases: How to Identify, Confirm, and Treat Common Aquarium Illnesses

Most fish diseases trace back to stress and water quality, so the fastest help for a sick fish is testing the water, isolating the fish, and reading the symptoms you can actually see.

75 vs 90 Gallon Aquarium: Dimensions, Reach and Setup Trade-Offs

75 vs 90 Gallon Aquarium: Dimensions, Reach and Setup Trade-Offs

Aqueon's 75 and 90 gallon examples share a base footprint, but differ in height. Compare the published dimensions and plan maintenance reach, equipment and stand checks.