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https://www.swelluk.com:443/velda-superdensa-10ltr-oxygenator-substrate/ 
Velda Superdensa 10Ltr (oxygenator substrate)
Oxygenating plants in your pond tend to need a lot of nutrients, and you can provide that with Velda Superdensa 10Ltr (oxygenator substrate), perfect for ensuring your pond produces good levels of natural oxygen for your fish.
Product Information
Velda's Superdensa substrate is a planting substrate for submerged oxygenating aquatic plants.
Light and porous, Superdensa provides the perfect medium for plants such as waterlilies and rununculus, ensuring the roots remain anchored and stable. Oxygenating plants are a natural way to ensure that your pond has stable levels of oxygen, so using a good soil will ensure good, strong growth.
We recommend lining plant baskets with hessian lining and then adding soil. This gives the plants a firm base and still allows nutrients to the roots.
Latest Customer Reviews
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Rating Date 03/09/2019 16:09pm Velda Superdensa 10Ltr (oxygenator substrate)
We brought this product as we are experimenting with floating baskets in our Koi pond and until this my husband was concerned with water clarity as most substrate is made for sinking baskets an has an element of nutrients making him fret about clarity and water quality. with floating baskets this substrate so for seems to be the bees knees and clarity appears to be returning, the substrate is quite light (in comparison with other brands) the Koi love the baskets rummaging underneath and nibbling roots etc and hiding when they choose. -
Rating Date 07/03/2019 18:03pm Velda Superdensa 10Ltr (oxygenator substrate)
An ideal product for submerged planters -
Rating Date 24/09/2018 07:09am Velda Superdensa 10Ltr (oxygenator substrate)
Good product fast delivery -
Rating Date 13/07/2016 10:07am Velda Superdensa 10Ltr (oxygenator substrate)
Seems OK but further time is needed to see what improvement this makes to the plant. -
Rating Date 03/07/2016 12:07pm Velda Superdensa 10Ltr (oxygenator substrate)
First time using soil substitute really impressed with it -
Rating Date 05/04/2016 09:04am Velda Superdensa 10Ltr (oxygenator substrate)
Great price