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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
dimensions
it will lower the pH of your solution
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The ONA Block will release its powerful odor neutralizing agent and keep the location free from undesirable odors
with SENSI GROW™ you'll eliminate pH checking forever because of the proprietary "pH Perfect" technology it uses
Ona Odour Control Ducts 10" 254mm dimensionsBrand 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.
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