Simple and reliable test kits for the monitoring of oxygen (O2) in garden ponds. It is important to check and test the oxygen level in your pond water regularly especially in the summer months.
Oxygen is vital to the well being and overall condition of fish plants and filter bacteria. Water contains far less oxygen than air and at times it can become limiting. It is important to check oxygen levels from time to time particularly at warmer times of the year. The only way to check the oxygen..
£11.06
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