Ona Odour Control Ducts 4" 100mm In turn they draw up

In turn they draw up too many nutrients and burn the leaves

Hygrozyme can be used right through the entire growing process or as a soak to rid old mediums of dead roots and to prepare them ready for your next grow

if your humidity is too high condensation can form on the leaves and cause mould

Fantastic at neutralizing any unwanted smells in and around your home

Optimise crop performance with consistent

Ona Odour Control Ducts 4" 100mm In turn they draw upBrand New Ona Odour Control Ducts gives the ultimate in growers peace of mind. Used in conjunction with Ona blocks for the neutralisation of unwanted odours in your ducting. Instructions for Use: Open catches on ducting lid, open lid, insert desired quantity of Ona blocks and reseal to neutralise odours in your ducting. Once the Ona blocks are exhausted simply re open discard and replace.