Site pages
Current course
Participants
General
26 February - 4 March
5 March - 11 March
12 March - 18 March
19 March - 25 March
26 March - 1 April
2 April - 8 April
9 April - 15 April
16 April - 22 April
23 April - 29 April
30 April - 6 May
3.13.2.6. Hydrogen and Oxygen
Unit 3 : Agricultural wastes and eutrophication
3.13.2.6. Hydrogen and Oxygen
Hydrogen and oxygen are the remaining macro nutrients of aquarium plants. They are obviously not in short supply.
Last modified: Friday, 10 June 2011, 7:26 AM