How to Clean Carbon Filter for Grow Room

As you set up your grow room, you wouldn’t be pleased with bad odour come that from that area. Definitely, to be on the safe side, you need to install a carbon filter. After some time, the question of how to clean the carbon filter for grow room will arise.

Actually, after about 9 months to a maximum of two years, your filter’s efficiency will fail. 

Fortunately, you will realise almost immediately when the carbon filter needs some service. In fact, no special skills or devices are required to detect this.

Once the carbon filters fail, some unpleasant odour will strike your nose. At this point, you may need to clean up the filter before you think of buying a new one.

Cleaning the Outer Casing

With time, dust automatically settles on your carbon filter’s casing. Fortunately, this happens to be the easiest part to clean. All you need to do is unhung the filter and wipe the cover clean.

This gets rid of the dust that your filter has been gathering for the last one year. Even though the grow room is indoors, air from outside the house may blow dust through doors and windows. Actually, this may be more pronounced during the drier season.

Therefore, take some water, dish washing detergent, and a piece of cloth and wipe it clean.

Wash the Pre-Filters

The pre-filters are responsible for trapping dust and other debris before the air reaches the filters. Therefore, after about one year of use, they need some cleaning.

So, once you have cleaned the filters outer casing, now go for the pre-filters. The best way to clean them is by first using a vacuum cleaner to suck most of the debris. On the other hand, you could also move outside and whack the pre-filters in air.

Then fill about 3 inches of your sink with water and add some dishwashing detergent. Dip the filters in the water and keep wringing.

The water may turn dark as you do this. Therefore, change the water until you get some relatively clean water. Then rinse the pre-filter in warm water. Finally, set it out to dry.

What about the Carbon?

Well, carbon pellets do not get dirty. Their primary function in the filter is to adsorbing (not absorbing) odours and smells. Trapping of particles is the work of the pre-filter.

After some time, you will realise that your filters are leaking some awful smell through. This means that the pellets inside your filter are “tired”. Therefore, you need to recharge them.

The easiest way to recharge your carbon is by baking the filter in the sun. This may help, but only for a short time.

Alternatively, you can drill out the rivets on the filter to open it up. Once you have opened the lid, pour out the carbon, and replace it with some new one. Finally, replace the rivets with bolts, and your filter will function like a new one.

If you want to reuse the carbon, you can as well open the filter and bake the carbon in the oven for about two hours to recharge. After that, you put the carbon back to its chamber and cap it.

It isn’t advisable to try and reenergise your carbon more than once.

Conclusion

Cleaning your carbon filter will make them serve for a longer time. Also, it ensures that they work as efficiently as new ones.

Therefore, after using your filter for about one year, you should start thinking of how to clean it up to enhance its efficiency.

Notably, for the pre-fillers, you should avoid machine washing and drying as this would make the materials shrink.

Refilling the carbon chambers with new carbon is way much cheaper than buying a new carbon filter. Therefore, cleaning and servicing your filter at home saves you a lot of money in the long run.

Hi, This is Ashley Rosa. In the last 5 years, I'm working with Gardening, Planting and others growing fields. I'm the owner and CEO of the MyGardenings.com. You can Email Me for any help. I will be there for you!

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