Every world citizen deserves reliable access to safe water. That’s why all of the technical resources related to our Wood Mold are open-source and freely available. If you’re interested in starting a DIY water filtration project using our Wood Mold, download our Construction Manual and Appendix to get you started. It's free and easy. Please contact us with any questions. 

Wood Mold Construction Manual

This Construction Manual contains a list of materials and directions on how to assemble and operate the Wood Mold. Click the button in your preferred language to download a copy of the Manual.

This Manual is dated March 1, 2018. If your Construction Manual has an earlier date, please download the current version. 

Appendix to Construction Manual

The Appendix contains supplementary information such as safety procedures, common problems and solutions, hardware purchasing guide, and wood selection. We highly recommend you use the Appendix in conjunction with the Manual for the best results.

This Appendix is dated August 17, 2016. If your Appendix has an earlier date, please download the current version. 

Introduction to BioSand Filters

This Introduction contains information regarding how BSFs work, their different components, frequently asked questions, and more. If you're interested in learning more about BSFs or are thinking of starting a project, start here! 

This document is dated November 4, 2015. If you downloaded this document before this date, please download the current version. 

OHorizons is dedicated to ensuring your BioSand Filter project is a success. Please do not hesitate to contact us in order to access our full kit of resources that will guide you through project planning, implementation, and monitoring. We look forward to working with you to implement your project as effectively as possible.

 In addition to English, the Wood Mold Construction Manual and its Appendix are now available in Spanish, French, and Portuguese. We're currently translating our technical resources to Hindi as well. 

We’ve added “What is your primary language?” as an optional question to answer when downloading the English version of the Manual. We plan to use the data we compile from this question to determine if there are additional languages that our technical resources should be translated into.

Thank you for helping us better serve you! 

Please contact us at info@ohorizons.org with any questions.