. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. fest is to fillthe pool and slake a large piece of lime in it. In a pool 8 x 12 feet, slakeabout half a bushel. There is no danger of using too much. After slak-ing, stir every few hours and clean out thoroughly in two days. Anothermethod is to place a piece of blue litmus paper (obtainable in drug store)in the water after it has stood a day and been stirred up. Then slowlyadd and stir in commercial sulphuric acid until the paper shows a faintpink hue. Allow to stand another day and if the pape
. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. fest is to fillthe pool and slake a large piece of lime in it. In a pool 8 x 12 feet, slakeabout half a bushel. There is no danger of using too much. After slak-ing, stir every few hours and clean out thoroughly in two days. Anothermethod is to place a piece of blue litmus paper (obtainable in drug store)in the water after it has stood a day and been stirred up. Then slowlyadd and stir in commercial sulphuric acid until the paper shows a faintpink hue. Allow to stand another day and if the paper goes back to blue,repeat addition of acid. When the pink shade remains draw off water,clean thoroughly and use. Enough acid to turn the paper a distinct pinkor red should not be used. Always stir water well before determiningcolor of paper. This test is only for the acid process. Aquarium or Tank Capacity. To ascertain the gallon capacity ofany rectangular tank, multiply the length, breadth and depth together ininches. Divide by 231. The result will be in gallons. A gallon weighs 8 1-3 Fig. 167. Finished Pool, Showing Sunkkx Pot and Overflow
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Keywords: ., bo, bookcentury1900, bookdecade1910, bookidgoldfishvarietie00inne
