<p style="text-align:left" align="left"><kse:widget data-widget-type="customText" id="1005000008784807" type="relation"></kse:widget></p><p><br/></p><p style="text-align:center" align="center"><strong><span style="font-size:24px;font-family:"times new roman", times, serif">Aquarium CO2 Bubble Counter Water Plants Fish Tank CO2 Regulator Injection System Measurement Device CO2 Diffuser Accessories</span></strong></p><p><br/></p><p><strong><span style="font-size:20px;font-family:"times new roman", times, serif">Specification:</span></strong></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">Material: Glass</span></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">Color: Transparent</span></p><p><br/></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">Fits 4/6mm (3/16" inner diameter ) CO2 proof tubing</span></p><p><br/></p><p><br/></p><p><strong><span style="font-size:20px;font-family:"times new roman", times, serif">Package Include:</span></strong></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">1 x Aquarium CO2 Bubble Counter</span></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">(Other accessories are not included)</span></p><p><br/></p><p><br/></p><p><strong><span style="font-size:20px;font-family:"times new roman", times, serif">Instructions:</span></strong></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">1, Fill the main body 3/4 full of water (regular tap water is fine).</span></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">2, Determine the position of the foam counter and cut the CO2 tube to the length you want. (Make sure it is placed vertically)</span></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">3, Then connect the check valve with the CO2 tubing (pay attention to the air inlet and outlet direction);</span></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">4, Connect the CO2 Diffuser and CO2 system (CO2 generator or cylinder);</span></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">5,Use the stopwatch function of your mobile phone to count the number of bubbles in the bubble counter</span></p><p><span style="font-size:20px;font-family:"times new roman", times, serif">(For example, 31 bubbles in 30 seconds are about 1 bubble in 1 second.)</span></p><p><br/></p><p style="text-align:center" align="center"></p>