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24"><use xlink:href="#svg-arrow-right"></use></svg> </a><a href="../guide.html" class="nav-list-link">Guide</a><ul class="nav-list"><li class="nav-list-item "><a href="../guide/1-start.html" class="nav-list-link">1 - Getting Started</a></li><li class="nav-list-item "><a href="../guide/2-supplies.html" class="nav-list-link">2 - What You'll Need</a></li><li class="nav-list-item "><a href="../guide/3-work-area.html" class="nav-list-link">3 - Creating a Work Area</a></li><li class="nav-list-item "><a href="../guide/4-sterilize.html" class="nav-list-link">4 - Wash and Sterilize Tools and Vials</a></li><li class="nav-list-item "><a href="../guide/5-mix.html" class="nav-list-link">5 - Mix Solution</a></li><li class="nav-list-item "><a href="../guide/6-filter.html" class="nav-list-link">6 - Filter Solution</a></li><li class="nav-list-item "><a href="../guide/7-bubble-point.html" class="nav-list-link">7 - Bubble Point Test</a></li><li class="nav-list-item "><a href="../guide/8-dispense.html" class="nav-list-link">8 - Dispense Solution</a></li><li class="nav-list-item "><a href="../guide/9-final-steps.html" class="nav-list-link">9 - Final Steps</a></li><li class="nav-list-item "><a href="../guide/10-selling.html" class="nav-list-link">10 - Running a Business</a></li></ul></li><li class="nav-list-item active"><a href="diy_laminar.html#" class="nav-list-expander" aria-label="toggle links in Topics category"> <svg viewBox="0 0 24 24"><use xlink:href="#svg-arrow-right"></use></svg> </a><a href="hrtcat/topics.html" class="nav-list-link">Topics</a><ul class="nav-list"><li class="nav-list-item "><a href="hrtcat/topics/make_agar.html" class="nav-list-link">Agar Plates</a></li><li class="nav-list-item "><a href="hrtcat/topics/alcohol_technique.html" class="nav-list-link">Alcohol Sanitization Technique</a></li><li class="nav-list-item "><a href="hrtcat/topics/biological_indicators.html" class="nav-list-link">Biological Indicators</a></li><li class="nav-list-item "><a href="hrtcat/topics/bulk_filtration.html" class="nav-list-link">Bulk Filtration</a></li><li class="nav-list-item "><a href="hrtcat/topics/choosing_oil.html" class="nav-list-link">Carrier Oils</a></li><li class="nav-list-item "><a href="hrtcat/topics/esters_compared.html" class="nav-list-link">Esters Compared</a></li><li class="nav-list-item "><a href="hrtcat/topics/fingertip_testing.html" class="nav-list-link">Fingertip Testing</a></li><li class="nav-list-item "><a href="hrtcat/topics/hormone_testing.html" class="nav-list-link">Hormone Testing</a></li><li class="nav-list-item "><a href="incubation.html" class="nav-list-link">Incubation</a></li><li class="nav-list-item "><a href="hrtcat/topics/instant_pot.html" class="nav-list-link">Instant Pot Sterilization</a></li><li class="nav-list-item active"><a href="hrtcat/topics/diy_laminar.html" class="nav-list-link active">Laminar Flow Hood</a></li><li class="nav-list-item "><a href="hrtcat/topics/recipes.html" class="nav-list-link">Recipes</a></li><li class="nav-list-item "><a href="hrtcat/topics/sanitize_sterilize_depyrogenate.html" class="nav-list-link">Sanitize vs Sterilize vs Depyrogenate</a></li><li class="nav-list-item "><a href="hrtcat/topics/sterilization_temps.html" class="nav-list-link">Sterilization Temperatures</a></li><li class="nav-list-item "><a href="hrtcat/topics/still_air.html" class="nav-list-link">Still Air Boxes</a></li><li class="nav-list-item "><a href="hrtcat/topics/choosing_filter.html" class="nav-list-link">Syringe Filters</a></li><li class="nav-list-item "><a href="hrtcat/topics/vial_size_concentration.html" class="nav-list-link">Vial Sizes and Concentrations</a></li></ul></li><li class="nav-list-item"><a href="diy_laminar.html#" class="nav-list-expander" aria-label="toggle links in Experiments category"> <svg viewBox="0 0 24 24"><use xlink:href="#svg-arrow-right"></use></svg> </a><a href="../experiments.html" class="nav-list-link">Experiments</a><ul class="nav-list"><li class="nav-list-item "><a href="../experiments/benzyl_benzoate_concentration.html" class="nav-list-link">Benzyl Benzoate Concentration</a></li><li class="nav-list-item "><a href="../experiments/sterilizing_vials.html" class="nav-list-link">Sterilizing Vials</a></li></ul></li><li class="nav-list-item"><a href="diy_laminar.html#" class="nav-list-expander" aria-label="toggle links in Other category"> <svg viewBox="0 0 24 24"><use xlink:href="#svg-arrow-right"></use></svg> </a><a href="../other.html" class="nav-list-link">Other</a><ul class="nav-list"><li class="nav-list-item "><a href="../journal.html" class="nav-list-link">Journal</a></li><li class="nav-list-item "><a href="../calculator.html" class="nav-list-link">Recipe Calculator</a></li><li class="nav-list-item "><a href="../summary.html" class="nav-list-link">Guide Summary</a></li><li class="nav-list-item "><a href="../anonymity.html" class="nav-list-link">Maintaining Anonymity</a></li><li class="nav-list-item "><a href="../lena.html" class="nav-list-link">A Critique of Lena's Method</a></li><li class="nav-list-item "><a href="../where-to-order.html" class="nav-list-link">Where to Order HRT</a></li><li class="nav-list-item "><a href="../producers.html" class="nav-list-link">Known HRT Producers</a></li><li class="nav-list-item "><a href="../properly-sterilized.html" class="nav-list-link">Were Your DIY Vials Properly Sterilized?</a></li><li class="nav-list-item "><a href="../start-hrt.html" class="nav-list-link">Starting HRT</a></li><li class="nav-list-item "><a href="../lidocaine.html" class="nav-list-link">DIY Topical Lidocaine Cream</a></li><li class="nav-list-item "><a href="../network.html" class="nav-list-link">HRT Cat Network</a></li></ul></li><li class="nav-list-item"><a href="../media.html" class="nav-list-link">Shareable Media</a></li><li class="nav-list-item"><a href="../contribute.html" class="nav-list-link">Contribute</a></li><li class="nav-list-item"><a href="../contact.html" class="nav-list-link">Contact</a></li><li class="nav-list-item"><a href="../donate.html" class="nav-list-link">Donate</a></li><li class="nav-list-item"><a href="../resources.html" class="nav-list-link">Additional Resources</a></li><li class="nav-list-item"><a href="../changelog.html" class="nav-list-link">Changelog</a></li></ul> </nav> <footer class="site-footer"> This site uses <a href="https://github.com/just-the-docs/just-the-docs">Just the Docs</a>, a documentation theme for Jekyll. </footer> </div> <div class="main" id="top"> <div id="main-header" class="main-header"> <div class="search"> <div class="search-input-wrap"> <input type="text" id="search-input" class="search-input" tabindex="0" placeholder="Search HRT Cat" aria-label="Search HRT Cat" autocomplete="off"> <label for="search-input" class="search-label"><svg viewBox="0 0 24 24" class="search-icon"><use xlink:href="#svg-search"></use></svg></label> </div> <div id="search-results" class="search-results"></div> </div> </div> <div id="main-content-wrap" class="main-content-wrap"> <nav aria-label="Breadcrumb" class="breadcrumb-nav"> <ol class="breadcrumb-nav-list"> <li class="breadcrumb-nav-list-item"><a href="hrtcat/topics.html">Topics</a></li> <li class="breadcrumb-nav-list-item"><span>Laminar Flow Hood</span></li> </ol> </nav> <div id="main-content" class="main-content" role="main"> <h1 id="diy-laminar-flow-hood"> <a href="diy_laminar.html#diy-laminar-flow-hood" class="anchor-heading" aria-labelledby="diy-laminar-flow-hood"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> DIY Laminar Flow Hood </h1> <p><em>Updated July 17, 2023</em></p> <p class="warning">We did a test with a DIY flow hood and some agar plates and have come to the conclusion that a still air box is likely safer to use. Unless you really know what you’re doing, don’t make your own flow hood, just buy one.</p> <p>These things are pretty expensive to buy out right, but they can be built for substantially less money at home. As usual this comes with a sacrifice in quality. If you decide to forego the flow hood, please do use a <a href="still_air.html">still air box</a>.</p> <p>There’s a variety of videos that can show you how to do this, we’re linking one below</p> <p><a href="https://youtu.be/lXmUcA-Oc58">https://youtu.be/lXmUcA-Oc58</a></p> <p>We like this video because it demonstrates how this is good, but it’s not trying to pretend that it’s perfect. That seems to be how a lot of this works, we shouldn’t expect any one of our safety measures to be perfect. But if we stack enough of them up on top of each other, we can have a reasonable certainty that we have successfully created a sterile product.</p> <p>It’s like Swiss cheese. With any single slice there are holes in it that you can see through. But if you take enough of those slices and stack them up on top of each other eventually you have a solid chunk of cheese.</p> </div> </div> <div class="search-overlay"></div> </div> </body> </html>
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