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Part I - Giant Red Cryptocoryne

Featured Article
TFH Issue: February 2009
Hobbyist Profile: Charlie Drew and the Elusive Red Crypt
Author: Richard Sexton

Some plant species are rarely found in the hobby, and then there are some, like the giant red crypt, that hardly exist in the hobby at all. A hobbyist discusses his decades-long search to uncover the identity of the giant red crypt found almost exclusively in a single hobbyist’s home in Canada.

See the full article on TFH Digital

Photographer: Richard Sexton


The Mathematics of Water Changes

** Unpublished ** - written June 2017.

In the November issue Dave Boruchowitz explores the math of water changes but please allow me me to clarify Dave's math a little to put the numbers in perspective. Additionally some comments about "pollutants" and fertilizer levels with this method are given.

Feb | Nov  

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