My first post in this forum and i would like to extend a big thank you for your excellent article. I've been into low tech tanks for a number of years but hasn't really been able to grasp any of the points mentioned in your article.
Since reading, i had been dilligently following it as a guide and have seen better plant growth etc and able to grow lots of new species. Have also recommend to many friends your read and very confident the benefits from it.
Thank you once again.