Simply dip the test strip in the water for a few seconds then compare to the colour chart on the pack. We recommend testing every 2-3 days for new ponds, and once a week in established ponds.

Nitrite is harmful to your fish and can affect their health even when small quantities are present. If your fish are lethargic or seem to be gasping for air an excess of nitrite. To see if that is the case this is a cheap and reliable way to find out....

This is test ideal way to find out if your fish and/or plants are getting enough oxygen and comes in the form of a straight-forward dip test. By simply comparing the colour of the strip to the colour chart you will then know whether the oxygen levels...

Naturally and reliably reduces high phosphate levels (PO4) in ponds, thereby preventing algae growth. Stabilise water values Reliably removes phosphate from pond water Prevents algae growth Improves the natural, biological balance Suitable for use throughout...

Tetra Pond FilterStart will kick-start your pond once the winter period is over and is also recommended for a new filtration system. Better still, it will ensure that your filter lasts longer and will not require as much cleaning or maintenance. This...

Tetra Pond FilterStart will kick-start your pond once the winter period is over and is also recommended for a new filtration system. Better still, it will ensure that your filter lasts longer and will not require as much cleaning or maintenance. This...

Does your water look murky? Is it green or brownish in colour rather than clear? If so then CrystalWater Treatment from Tetra could be just what you are looking for. This treatment binds together suspended pond particles which causes them to sink to the...

Does your water look murky?Is it green or brownish in colour rather than clear?If so then CrystalWater Treatment from Tetra could be just what you are looking for. This treatment binds together suspended pond particles which causes them to sink to the...

Does your water look murky? Is it green or brownish in colour rather than clear? If so then CrystalWater Treatment from Tetra could be just what you are looking for. This treatment binds together suspended pond particles which causes them to sink to the...

Multi-purpose remedy for tackling the most common ornamental pond fish diseases. Treats skin parasites such as Ichthyophthirius multifiliis, Costia, Chilodonella or Trichodina, as well as fungi, bacterial skin infections and fin rot. Tetra Pond MediFin...

Tetra Medifin is a solid treatment for most common pond fish diseases. It will have the biggest impact during the months of spring and autumn and times of fluctuating temperature, which are when fish tend to be more prone to picking up infections and...

Effective intensive pond treatment for treating all common algae types including blanketweed, floating algae and smear algae.Algofin works by attacking the ability of the algae to photosynthesise and grow.

Effective intensive pond treatment for treating all common algae types including blanketweed, floating algae and smear algae.Algofin works by attacking the ability of the algae to photosynthesise and grow.

Effective intensive pond treatment for treating all common algae types including blanketweed, floating algae and smear algae.Algofin works by attacking the ability of the algae to photosynthesise and grow.

This treatment makes tap water safe by removing chlorine, chloramine and detoxifying any heavy metals that are present. Essential for new ponds or when making a water change. Also Aquasafe contains colloids that help to condition the water and help prevent...

This treatment makes tap water safe by removing chlorine, chloramine and detoxifying any heavy metals that are present.Essential for new ponds or when making a water change.Aquasafe contains colloids that help to condition the water and help prevent fish...