--- title: The liquid has stopped on my Aquaspense, what do I do? description: Routine maintenance is key to keep lab equipment running. If the liquid has stopped on your AquaSpense, follow these steps to get it back up and running. image: https://info.whipmix.com/hs-fs/file-243783918-jpg/Product_Images/Equipment/Both-Aquaspense.jpg --- [![whip_mix_logo.png](https://info.whipmix.com/hs-fs/hubfs/social-suggested-images/whip_mix_logo.png?width=180&name=whip_mix_logo.png "whip_mix_logo.png")](https://whipmix.com/) [![Contact Us](https://no-cache.hubspot.com/cta/default/111220/b7ad40d2-a589-4955-901d-95c009e55049.png)](https://cta-redirect.hubspot.com/cta/redirect/111220/b7ad40d2-a589-4955-901d-95c009e55049) ![background-teeth-banner-100867-edited.jpg](https://info.whipmix.com/hs-fs/hubfs/background-teeth-banner-100867-edited.jpg?width=1500&name=background-teeth-banner-100867-edited.jpg "background-teeth-banner-100867-edited.jpg") # [The liquid has stopped on my Aquaspense, what do I do?](https://info.whipmix.com/the-liquid-has-stopped-on-my-aquaspense-what-do-i-do) ![Will Devine, CDT, TE](https://info.whipmix.com/hs-fs/file-1313656723-jpg/images/Will_Devine%2c_OLD-resized-600.jpg) By [Will Devine, CDT, TE](https://info.whipmix.com/author/will-devine-cdt-te) - January 27, 2017 - [**](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Finfo.whipmix.com%2Fthe-liquid-has-stopped-on-my-aquaspense-what-do-i-do&t=The%20liquid%20has%20stopped%20on%20my%20Aquaspense,%20what%20do%20I%20do) - [**](https://twitter.com/intent/tweet?url=https%3A%2F%2Finfo.whipmix.com%2Fthe-liquid-has-stopped-on-my-aquaspense-what-do-i-do&text=:%20Routine%20maintenance%20is%20key%20to%20keep%20lab%20equipment%20running.%20If%20the%20liquid%20has%20stopped%20on%20your%20AquaSpense,%20follow%20these%20steps%20to%20get%20it%20back%20up%20and%20running.) - [**](http://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Finfo.whipmix.com%2Fthe-liquid-has-stopped-on-my-aquaspense-what-do-i-do&title=The%20liquid%20has%20stopped%20on%20my%20Aquaspense,%20what%20do%20I%20do?&summary=Routine%20maintenance%20is%20key%20to%20keep%20lab%20equipment%20running.%20If%20the%20liquid%20has%20stopped%20on%20your%20AquaSpense,%20follow%20these%20steps%20to%20get%20it%20back%20up%20and%20running.) - [**](https://plus.google.com/share?url=https%3A%2F%2Finfo.whipmix.com%2Fthe-liquid-has-stopped-on-my-aquaspense-what-do-i-do) One of the frustrations of Colloidal Silica (special liquid) for phosphate investments is the fact that it can crystallize over time and can be a bit sticky. When using a machine like the AquaSpense SL, the nature of the liquid can be a unique challenge to get the correct amount delivered each time. When maintained properly a machine like the AquaSpense SL can deliver the exact amount of liquid each time, provided the user stays on top of preventative maintenance of the unit. One of the most effective ways to keep the liquid flowing, on a daily basis, is to pinch the tip of the special liquid hose. Using a damp paper towel will be very helpful in removing crystallized particles. It is a good idea to do this each morning before use or any time the unit is not used for several hours. In addition, we recommend wiping down the unit with a damp cloth and removing the scale cover and cleaning it.  Over time, however, crystals will build up along the hose and create a more substantial blockage. In some cases, the white hose can be removed and cleaned by gently pushing a wire through the hose. A straight section of a clothes hanger works very well for this procedure. Although, it may be necessary to replace the cap assembly over time as the clogging can become extreme and the hose will become constricted due to contact with the pinch valve. #### **If you need to replace the Special Liquid Hose, follow these four easy steps:** **  1) Loosen the SL bottle cap to depressurize the bottle and swing the arm open** ![AquaSpense Blog_2.png](https://info.whipmix.com/hs-fs/hubfs/Blog_Images/AquaSpense%20Blog_2.png?width=191&name=AquaSpense%20Blog_2.png)To replace the special liquid hose, loosen the SL bottle cap to depressurize the bottle and swing the arm open as shown.         **2) Insert the end of a new, white special liquid hose ** ![AquaSpense Blog_3.png](https://info.whipmix.com/hs-fs/hubfs/Blog_Images/AquaSpense%20Blog_3.png?width=191&name=AquaSpense%20Blog_3.png)Insert the end of a new, white special liquid hose into the **round **opening on the inside (left) of the arm. Allow the hose to extend approx. 1 inch below the opening.       **3) Place your thumb on the hose  ** ![AquaSpense Blog_4.png](https://info.whipmix.com/hs-fs/hubfs/Blog_Images/AquaSpense%20Blog_4.png?width=195&name=AquaSpense%20Blog_4.png)Place your thumb on the hose nearest the white pinch valve and hold with direct pressure.         **4) Stretch the hose and slide into the pinch valve** ![AquaSpense Blog_5.png](https://info.whipmix.com/hs-fs/hubfs/Blog_Images/AquaSpense%20Blog_5.png?width=197&name=AquaSpense%20Blog_5.png)The hose should slide in easily, if not, stretch the hose further. Thread the other end of the hose through the opening in the outer (rear) of the swing arm, assuring there are no kinks in the hose. Place the hose onto the center nodule on the cap.     *For more troubleshooting tips on the AquaSpense or AquaSpense SL, visit our [Resource Library ](https://whipmix.com/technical-resources/)or if you have any questions, leave them in the comments section.* [![contact-technical-support-blog-cta](https://no-cache.hubspot.com/cta/default/111220/d58036b3-90e7-42d1-8ba2-e5922a5cf09b.png)](https://cta-redirect.hubspot.com/cta/redirect/111220/d58036b3-90e7-42d1-8ba2-e5922a5cf09b) ## Leave a comment ![Will Devine, CDT, TE](https://info.whipmix.com/hs-fs/file-1313656723-jpg/images/Will_Devine%2c_OLD-resized-600.jpg) Written by [Will Devine, CDT, TE](https://info.whipmix.com/author/will-devine-cdt-te) Will Devine, CDT, TE is retired from the United States Air Force and has over 28 years of dental laboratory experience. As a Technical Support Representative at Whip Mix, Will's primary focus is assisting customers with questions regarding our consumable products and equipment. 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