AquaChek Select 7-in-1 Pool & Spa Test Strip Refills 2-Pack (100 Tests) — Measures Chlorine, pH

AquaChek Select 7-in-1 Test Strip Refills (2 Pack) are refill sets of 50 strips each that quickly check seven key water chemistry markers for pools and spas.

Keep your pool or spa water balanced and safe with these refill strips designed for the AquaChek Select reader. Each 2-pack includes two trays of 50 strips that together provide up to 100 rapid tests. The strip chemistry measures total hardness, total chlorine, total bromine, free chlorine, pH, total alkalinity, and cyanuric acid, giving you a broad snapshot of water condition in seconds without complicated procedures.

How quickly will these strips give me usable results?

The AquaChek 7-in-1 strips are built for fast color-change readings that pair with the Select reader or can be read visually for a quick check. Most readings appear within seconds, letting you decide fast whether treatment or adjustment is needed.

• Immediate color changes for each parameter.
• Works with the AquaChek Select reader for digital results.
• No mixing of reagents or wait times beyond a few seconds.
• Two trays supply up to 100 individual tests.

Which water parameters are measured and why do they matter?

These strips measure seven common but important parameters that affect water clarity, sanitizer performance, and comfort. Monitoring these markers helps you maintain balanced water chemistry for cleaner, safer swimming and longer-lasting equipment.

• Total hardness — indicates dissolved minerals that can scale equipment.
• Total and free chlorine — show sanitizer levels and available sanitizer activity.
• Total bromine — useful for bromine-based systems or hot tubs.
• pH — influences comfort and sanitizer effectiveness.
• Total alkalinity — stabilizes pH to reduce rapid swings.
• Cyanuric acid — protects chlorine from sunlight (outdoor pools).

How do I store and handle the refill strips to keep them accurate?

Proper storage keeps test chemistry stable and avoids false readings. Keep the trays sealed, dry and away from direct sunlight, and use strips before the expiration date for best accuracy.

• Store in original trays; reseal between uses.
• Avoid humidity, heat and sunlight exposure.
• Handle strips by the edge to prevent contamination.
• Discard any strips that appear discolored before use or are past expiration.

Can these refills be used with other test systems or only the AquaChek Select?

These refills are formulated for the AquaChek Select reader but can also be used for quick visual checks when you need a fast estimate. For the most consistent digital readings and compatibility, use them with the AquaChek Select device.

• Optimized for AquaChek Select reader use.
• Visual color matching works for rough, immediate checks.
• Not intended as a replacement for professional laboratory analysis.
• Two-pack format offers value and extended supply.

Who is this for: Pool and spa owners, caretakers, and service professionals who want a straightforward, fast way to monitor multiple water chemistry factors. These refill strips suit anyone using the AquaChek Select reader or who prefers a convenient multi-parameter strip for routine checks—ideal for seasonal maintenance, frequent testing, or topping up an existing test kit supply.