fertilizers History of Aquarium Fertilization 01 The Victorians Laceplants and potatoes 02 Innes "Dangerous and foolhardy" 03 The 1960s Not much. 04 Dupla Towards the optumum aquarium 05 PMDD Crowdsourced recipe for Dupla drops 06 EI 07 Formulas By Richard J. Sexton

synthsea History of Synthetic Seawater Al Klee's superb essay on the history and development of synthetic seawater including his own work on "Marine Mix". Illustrated and includes synthetic seawater formulas and tables of comparisons between them. Al Klee Another account of early marine keeping can be found in Ocean gardens : the history of the marine aquarium, and the best methods now adopted for its establishment and preservation By Henry Noel Humphreys, 1810-1879.