<p>The <strong>APS Dosing Caps</strong> thread onto a 500ml or 1L bottle. Simply squeeze the bottle to the desired dose level, pop the cap, and pour it into the bottle being used for your solution. This is perfect for use with concentrated products that you want to be at a specific ratio so your results remain consistent each time you use them. Eliminate waste of product and costly over-pours that can have a negative effect on your results.</p> <p>There is a right way and a wrong way to measure. Counting 'glug glug glug' may work for some chemicals, but these Dosing Caps help where it matters.</p> <p><strong><span style="color: #2b00ff;">*Note</span> </strong>that the total capacity of a dosing cap is 20ml (0.68oz) and milliliters are the only unit of measure on the dosing cap itself as shown in the last picture.</p>