. The pet book. Pets. I s. AQUARIA LENTIFUL are the kinds of aquaria, from those made in jelly glasses and fruit jars, for the caging and rearing of water insects, to the larger aquaria for fishes. The aquarium may be a tank or a glass jar, but it should always have straight sides. The curved sides of the globe do not allow water to come sttfficiently in contact with the air. If we have only water in the aquarium, we then need to change it quite often to keep our pets alive. But if we can plant in otir aquaritim the weeds which grow in ponds, through thera, and the oxygen they give off, the wa
. The pet book. Pets. I s. AQUARIA LENTIFUL are the kinds of aquaria, from those made in jelly glasses and fruit jars, for the caging and rearing of water insects, to the larger aquaria for fishes. The aquarium may be a tank or a glass jar, but it should always have straight sides. The curved sides of the globe do not allow water to come sttfficiently in contact with the air. If we have only water in the aquarium, we then need to change it quite often to keep our pets alive. But if we can plant in otir aquaritim the weeds which grow in ponds, through thera, and the oxygen they give off, the water remains pure, and does not need to be replaced. This is called a balanced aquarium. To make a balanced aquarium we place in our jar, of whatever size or shape, a layer of sand, and from the nearest pond, or quiet pool in a stream, we bring, carefully, in a pail of water, such plants as we find living entirely beneath the surface. We select some of these and plant them in the sand at the bottom of our jar; after they are planted we put a few small stones upon them so as to hold them fast in the sand. Now our aquarium is planted, and we must add the water very gently, by letting it run down the side of the jar so as not to tear up the plants we have just put in place. Such an aquarium 224. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Comstock, Anna Botsford, 1854-1930; Lord, Henry B. ins; Wright, Albert Hazen, 1879-1970 ins; Comstock, Anna Botsford, 1854-1930. ins. Ithaca, N. Y. : Comstock
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Keywords: ., bookauthorcomstockannabotsford1, bookcentury1900, bookdecade1910
