
It's useful both for those involved in DIY and those that are curious about what is under the shell of fertilization operation.
The whole is completed with long term effects diagrams.
Link and resources for aquarium and aquascaping fans




Like any respectable forum (in addition to fans' discussions) it is filled with identification cards and articles ...







Royal Society of Chemistry site you can find istructions to build a little spectrophotometer.

It has a more scientific approach and less amateur than the previous. Lists many articles and publications on these animals and even here there are cards for identification / classification and photo galleries.



