Today was chore day: doing all the chemical testing, recording the salinity and temperature, and upping the salinity a bit since the little darlings need to be up to about 20 ppt by the end of the summer. They have been very active lately - much more crawling around on the bottom as the video shows. I estimate that we have about 50 little crabs right now. When I was pouring water into the tank to increase the salinity, I noticed a lot of molts or sheds floating around in the water. I cleaned the filter but they didn't seem to be in the filter so the molts/sheds must be on the bottom on the sand.
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| Here are the results from the chemistry tests today: Amonia is the test tube at the left (light green) = 0 (good) Nitrites are the middle test tube (blue) = 0 (good) Nitrates are on the right (yellow) = 0 The nitrates are down from 10 and I had added some biospira. |
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| This is the pH, which is about 8.0 and that's good too. I only have 3 test tubes these days because one broke last year. |
The temperature is about 79 degrees which isn't great but it's been consistent and they seem to be thriving so that's okay too I reckon.
(2 hours: testing, preparing water, writing it all up)
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