This year, the first piece of news is that we have expanded our wood-fired hot tub range with a Premium line of products that feature a sand filter with fibre balls for keeping the water clear. The Gardenvity Customer Experience Specialists work diligently to collate information about users’ needs when it comes to a wood-fired hot tub, and our hard-working R&D team proactively respond to meet those needs.
This article will present the benefits of a sand filter filled with alternative fibre media for water filtering. Read a comparison article here if you find yourself sitting on the fence about using sand/fibre balls or a cartridge filter:
1. The key benefits offered by a sand/fibre ball filter
Our sand/fibre ball filter is designed to be used with lightweight and environmentally friendly fibre balls. We must make it clear that the type of sand filter used in our products cannot be used with sand for filtering the water – it’s a sand filter in name only. This type of filtration is preferred by users who value the long service life of the filtering media. The fibre balls used in a water filter serve 2 years. The maintenance work during those years involves nothing more than occasionally cleaning the fibre balls.
When using a sand/fibre ball filter in your Gardenvity wood-fired hot tub, your higher initial investment (compared to a cartridge filter) will balance out in the long run since you will not have to worry about buying filter cartridges regularly, as is the case when using cartridge filters.
Long service life
Easy, low-cost maintenance
Good performance, trapping impurities of 10-3 microns in size
Environmentally friendly solution
2. Fibre balls for your convenience: do they do the job well?
Using fibre balls instead of sand seems to be an all-around perfect solution for keeping the water clean in the hot tub because:
They capture debris and dirt effectively (down to 10 microns – or even to 5 or 3 microns, as some manufacturers claim)
They require little maintenance work – a simple hand wash or in a washing machine
They are incredibly lightweight
They reduce energy consumption
They are environmentally and cost-friendly
To answer the question if the filter balls clean the water in a hot tub effectively, it’s a YES, absolutely! Pool and hot tub owners report that they actually do a better job trapping debris and dirt while requiring less maintenance. Since the polyethylene fibre offers excellent porosity and does not clump or harden over time, the whole filtration cubic area is effectively employed to remove the particles from your hot tub water. It also means that the water flows more easily through the bed of filter balls, reducing the pressure needed from the filter pump (therefore, lowering energy consumption) and increasing the service life of the pump.
If you notice sediments on the hot tub bottom, this does not show failure in the filter performance. Simply switch the massage system on to move the particles with water, and the filter will trap those impurities.
Fibre filter balls have to be cleaned by taking them out to soak and wash manually or in a washing machine (please, put them in a washing net when doing so!). In both cases, filter balls are there to last a long time with very little wear. The good news is that the balls are recyclable after a few years of usage, making it a highly environmentally friendly solution.
500g of filter balls replace 18kg of sand, which in other words means that they are more than 30 times lighter, and thus, more practical for shipping and disposal.
Finally, filter balls are cheaper than the special sand used in water filtration. You can get filtration balls at most pool stores, e.g., on Amazon.
3. Which Gardenvity wood-fired hot tub models will have this option?
The sand filter that can be used with filter balls will be available in our Premium acrylic wood-fired hot tubs.
4. What should I know about the usage and maintenance of a sand/fibre ball filter?
As a standard, maintenance works with a sand/fibre ball filter includes the following:
Timely cleaning of fibre balls. Typically, you’d expect to see the pressure gauge needle going up, signalling you to backwash, but not with the fibre balls. We recommend that you inspect the fibre balls inside your filter every 3 months and clean them if needed. However, it will largely depend on usage and quality of the water. Use a little trial and error to find the best schedule for your hot tub. When you keep fibre balls clean, you’ll have better filtration, water flow and clearer water.
Cleaning the filter strainer (positioned inside the hot tub at the foot well) to remove the larger debris restrained at the water pump inlet when you see it.
Changing fibre balls when they lose effectiveness. This has to be performed only once in 2 years.
Please bear in mind that when using the sand/fibre ball filter to remove debris and particles, you still need water treatment chemicals to kill the bacteria. Read the special article on that.
As you can see, there are not so many points included in your maintenance schedule.
To sum it all up, a sand filter as an option for water cleaning in a hot tub is generally chosen by those who value long service life, quality performance, and ease of maintenance. Combined with the modern sand alternative – filter balls – the care is easier with fewer pounds to carry home and less strain on the environment since the polyester balls are fully recyclable.
Check our Knowledge Base for more practical tips and advice on the usage and maintenance of the sand filter in a Gardenvity wood-fired hot tub.