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Communist Corals

The stomach cavities of colonial polyps are interconnected, enabling food to be shared among all the polyps within the colony. If one polyp catches more than its fair share of food, it is shared with the colony.

 
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Home arrow Library arrow Tables arrow Alkalinity Conversion

Alkalinity Conversion PDF Print

Conversion table between the three alkalinity units; dKH, meq/l and ppm CaCO3. Highlighted is the recommended area to maintain it for reef aquarium.

dKH meq/l ppm CaCO3
0 0 0
0.5 0.18 8.9
1.0 0.36 17.9
1.5 0.54 26.8
2.0 0.71 35.7
2.5 0.89 44.6
3.0 1.07 53.6
3.5 1.25 62.5
4.0 1.43 71.4
4.5 1.61 80.4
5.0 1.79 89.3
5.5 1.96 98.2
6.0 2.14 107.1
6.5 2.32 116.1
7.0 2.50 125.0
7.5 2.68 133.9
8.0 2.86 142.9
8.5 3.04 151.8
9.0 3.21 160.7
9.5 3.39 169.6
10.0 3.57 178.6
10.5 3.75 187.5
11.0 3.93 196.4
11.5 4.11 205.4
12.0 4.29 214.3
12.5 4.46 223.3
13.0 4.64 232.1
13.5 4.82 241.1
14.0 5.00 250.0
14.5 5.18 258.9
15.0 5.36 267.9
15.5 5.54 276.8
16.0 5.71 285.7
16.5 5.89 294.6
17.0 6.07 303.6
17.5 6.25 312.5
18.0 6.43 321.4
18.5 6.61 330.4
19.0 6.79 339.3
19.5 6.96 348.2
20.0 7.14 357.1
20.5 7.32 366.1
21.0 7.50 375.0
21.5 7.68 383.9
22.0 7.86 392.9
22.5 8.04 401.8
23.0 8.21 410.7
23.5 8.39 419.6
24.0 8.57 428.6
24.5 8.75 437.5
25.0 8.93 446.4
 
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