ProAquaTest Oxygen O2 Water Test Kit PickUp when upgrading your old fluorescent

when upgrading your old fluorescent light unit to LED

This can be pushed through or cut out

Recommended oxygen Values:

ensuring amazing water clarity

and back again

ProAquaTest Oxygen O2 Water Test Kit PickUp when upgrading your old fluorescentRegular water testing is key to a healthy aquarium or pond. The JBL ProAquaTest Oxygen O2 Water Test Kit includes everything required to determine the Oxygen level from <0. 2 10. 0 mg l using a colour change test and is suitable for both freshwater and saltwater use. ProAquaTest Oxygen O2 Water Test Kit contents: 1 x Oxygen Test Kit with approx. 40 tests, incl. 3 reagents, 1 glass vial with screw cap and colour scale. Why test Oxygen levels? The well