Api nitrate test are essential for monitoring the levels of nitrate in your aquarium. Nitrate is harmless in lower levels, but toxic and causes illness and death in high levels. It must be monitored to let you know when a filter clean and water change needs doing.
Verified purchase: Yes | Condition: New
Easy enough to use, but it needs to have a broader and more distinct colour range around the “40 to 80”. The two red 40 and 80 indicators are basically the same colour, not good.
Verified purchase: Yes | Condition: New
Thanks very much arrived in good time perfect.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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