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Seachem pH Alert Continuous pH Monitor

Seachem pH Alert is a long-lasting, in-tank pH monitoring device that continuously measures pH without the need for liquid test kits or strips. The sensor changes color in response to pH levels, allowing you to check your aquariums pH at a glance.

Designed for freshwater and marine aquariums, Seachem pH Alert is ideal for aquarists who want ongoing monitoring rather than periodic testing. Each sensor lasts up to 3 months and is completely safe for fish, plants, shrimp, and invertebrates.

Key Benefits

Continuous pH monitoring
No reagents, strips, or test kits needed
Easy-to-read color indicator
Safe for freshwater & marine aquariums
Long-lasting (up to 3 months)
Great for beginners & advanced aquarists

How It Works

  • Place pH Alert inside the aquarium
  • The sensor reacts directly with water
  • Color changes indicate current pH range
  • Compare color to included chart

📊 Ideal for spotting gradual pH shifts or sudden changes.

Ideal For

  • Freshwater aquariums
  • Marine & reef tanks
  • Planted aquariums
  • Shrimp & sensitive fish setups
  • New tank monitoring

Product Details

  • Brand: Seachem
  • Product Name: pH Alert
  • Monitoring Type: Continuous, in-tank
  • Lifespan: Up to 3 months
  • Aquarium Type: Freshwater & Marine

FAQs Seachem pH Alert

Q: Does this replace liquid test kits?
A: It’s excellent for continuous monitoring, but occasional liquid testing is still recommended for precise readings.

Q: Is it safe for shrimp and plants?
A: Yes. It’s completely aquarium-safe.

Q: How often should it be replaced?
A: Approximately every 3 months.

Q: Does it require batteries or calibration?
A: No. It works passively without batteries or calibration.

Q: Can it be used in reef tanks?
A: Yes. It’s safe for marine and reef systems.


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