Standard U.S. shipping: $12.99; free standard shipping on eligible qualifying orders of $100 or more. Specialty shipments are charged separately.
Shipping & Delivery
Standard/Economy: $12.99; free standard shipping on eligible qualifying orders of $100 or more.
Most in-stock orders process in 1–3 business days. Estimated standard transit is 5–12 business days after dispatch. Backorders, preorders, and special orders follow their stated lead times. Dates are estimates, and separate shipments may have separate charges.
Review the Shipping & Live Arrival Policy and final charges at checkout. International rates and specialty charges are separate from domestic standard offers.
Easily and accurately test phosphate levels in your aquarium.
Trusted by reef hobbyists worldwide, Salifert test kits are known for their precision and easy-to-read results. The Salifert Phosphate (PO4) Test Kit helps you quickly identify nutrient issues that can lead to algae and poor coral health.
✔ Accurate phosphate (PO4) measurement
✔ Easy-to-read results
✔ Ideal for reef and marine aquariums
✔ Up to 60 tests per kit
Maintain a clean, balanced reef with confidence.
High phosphate? Pair with GFO for best results.