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Quantity
1
Description
CO is one of the most important nutrients for aquarium plants. At the same time, too much CO can hurt other organisms of the aquarium. For this reason, long term monitoring of the CO levels in the aquarium is highly recommended. After ins...
Reviews
4.4
23 ratings
5
4
3
2
1
Glass is a bit thick
D
Danny · June 12, 2026
Its too small to Fill it up with liquid
D
Dominik · February 14, 2026
Nano drop checker is the smallest on the market I've found. Perfect for those 45cm and smaller tanks.