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The substrate is mud but many of the cryptocorynes were rooted and covered within the upper thick layer of orange precipitates in the water. Lush emersed specimens could hardly be found.
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These cryptocorynes were termed by many as C. sp. 'Daik Timur White Line' due to the distinct white line along the centre vein of the leaves. This marking is especially apparent on those submersed leaves. "Daik" is the name of one of the main towns in Lingga and "Timur" means "East" in Indonesian language, i.e. Daik Timur = East of Daik.
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We tested the pH of the water and found that it wasn't as low as we thought it would be, about pH 6.6.
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Another thing that we noted is that this cryptocoryne melts easily, many of the specimens started melting during the transportation journey a few days after we collected them.
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