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If you found us through a search engine, what search words were you using?: aquaponics

Please tell us something else about yourself.: High School Class Project
We've been running a aquaponics system at our high school for about two years.It is a major part of one of our classes and this website has provided much help so I decided to join it.

At 6:12pm on January 2, 2011, Aaron said…: Hi advanced biology, I am also a high school biology teacher looking to start an AP program at our new greenhouse (2 of em' 1 indoor / 1 open air). it will be completed within a year and i'd like to chat about what has and hasn't worked with your high school. Thanks Aaron

At 6:37pm on December 22, 2010, Mike Creuzer said…: Welcome to the community!

I saw you posted a question on the chat that never got answered.

Seashells, crushed coral, etc. are Calcium Carbonate. This is used to raise PH to 7.2 or 7.5 - I can't remember which. It does this by dissolving when the PH is lower than that, and raising the KH, thus the PH.

Personally, I like mixing some in my grow beds so the roots can have contact with a high-calcium surface. I also put some in a high water flow area so if the water PH tries to drop, the calcium carbonate can dissolve and buffer the PH.

I hope this answers your question or at least points you in the right direction for further research.

At 7:12pm on December 20, 2010, Sylvia Bernstein said…: Welcome,

Thanks for joining the Aquaponic Gardening community! I hope you find it a fun place to explore aquaponics. There is a real blend of experienced and new aquapons in this community, so please don’t hesitate to join in. Always thrilled to have experienced growers join us – please post some photos of your system!

A great place to start is to read the “How to Use This Site” link on the upper right corner, “Start Here” section of the Main page.

Please add a photo of yourself and participate!

Thanks again for joining us, and I look forward to getting to know you.

Sylvia