Velda 6-in-1 Aqua Test Strips 50 pcs 121519 Bicycle Trailers Made of chrome and MDF

Made of chrome and MDF

They are also easy to store or transport

Dimension:44 x 19 x 14 cm (L x W x H)

suitable for both professional workers and DIY enthusiasts

Velda 6-in-1 Aqua Test Strips 50 pcs 121519 Bicycle Trailers Made of chrome and MDFWith these Velda aqua test strips, you can easily determine the water quality of your pond, pool or aquarium based on the six most important values: acidity, total hardness, carbonate hardness, nitrite, nitrate and chloride content. The strips are very simple to use. Just immerse a test strip for a second, and then take it out and shake off the excess water. Wait for about 1 minute and compare the colour on the strip to the colour scale on the tube to