Velda VT KH Plus 15 L 142080 Ventilation & Air Conditioning stain-resistant and shape-retaining

stain-resistant and shape-retaining

5 x 25 x 34 cm (L x W x H)

Back cushion size: 40 x 24 cm (W x H)

Overall size: 177 x 200 cm (W x H)

Canopy material: Polyester

Velda VT KH Plus 15 L 142080 Ventilation & Air Conditioning stain-resistant and shape-retainingTo allow your oxygen producing plants to thrive, the maintenance of carbonate hardness (KH value) is very important, especially since biological processes in the pond continually reduce the carbonate hardness. A satisfactory value (6 to 8 KH) fights acidity in the pond environment and helps oxygen producing plants to grow and develop, thanks to bound CO2. The Velda VT KH plus water solution is a very effective means of increasing the carbonate