pH Strip Refill Pack — 300 Strips

<h2>pH Test Strip Refill Pack</h2><p>Keep testing without interruption. This refill pack is fully compatible with the PH2OH 2.0 app color-matching system.</p><ul><li>300 pH test strips (20 packets of 15)</li><li>pH range 4.5–9.0 — ideal for saliva monitoring</li><li>Works with all PH2OH 2.0 favorite brand slots</li></ul><p>Recommended testing frequency: once daily before breakfast for most accurate baseline readings.</p>