Davey Pool Filter Media – Sand, CrystalClear Glass & Zelbrite
Davey Pool Filter Media – Sand, CrystalClear Glass & Zelbrite
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Choose the correct replacement media for compatible fibreglass and thermoplastic swimming pool media filters.
This listing includes four filter-media options: traditional 16/30 grade filter sand, two grades of CrystalClear glass media, and Zelbrite.
Each media type has different characteristics and required quantities. Always match the media type, grade and total quantity to the specifications of your pool filter before ordering.
Product Options
Option Name: Filter Media
| Option | SKU | Bag Size | Grade / Particle Size |
|---|---|---|---|
| Filter Sand – Grade 16/30 | 58000 | 20 kg | Grade 16/30 |
| CrystalClear Glass – Fine/Medium | 58002-15 | 15 kg | 0.75–1.7 mm |
| CrystalClear Glass – Medium/Coarse | 58001-15 | 15 kg | 1.7–3.0 mm |
| Zelbrite | 59003 | 15 kg | 0.5–1.4 mm |
Variant-Specific Details
20 kg Filter Sand – Grade 16/30
Traditional pool filter sand for compatible media filters.
- SKU: 58000
- Bag weight: 20 kg
- Grade: 16/30
- Suitable for compatible pool media filters
- Straightforward replacement option for filters designed to use sand
15 kg CrystalClear Glass Media – Fine/Medium
Fine/medium glass filtration media for compatible pool filters.
- SKU: 58002-15
- Bag weight: 15 kg
- Particle size: 0.75–1.7 mm
- Fine/medium grade
- Glass media is designed to provide efficient filtration
- Can reduce water use during backwashing compared with conventional media
15 kg CrystalClear Glass Media – Medium/Coarse
Larger-grade glass media for compatible pool filter applications.
- SKU: 58001-15
- Bag weight: 15 kg
- Particle size: 1.7–3.0 mm
- Medium/coarse grade
- Suitable where the filter specification requires a coarser glass layer
Many glass-media filters require specific quantities of both fine/medium and medium/coarse media, so check the filter model before ordering.
15 kg Zelbrite Media
Zelbrite is a high-performance pool filter media with strong dirt and ammonia holding capacity.
- SKU: 59003
- Bag weight: 15 kg
- Particle size: 0.5–1.4 mm
- High dirt-holding capacity
- Ammonia-holding capability
- Long-lasting filtration media
Why Choose the Right Pool Filter Media?
The media inside a pool filter does the actual work of trapping suspended contaminants as water moves through the filter bed.
Choosing the correct media affects:
- Filtration performance
- Backwash frequency
- Backwash water use
- Filter pressure
- Maintenance requirements
- Overall filter operation
Different pool filters require different media quantities and, in some cases, multiple media grades.
Media Comparison
| Media | Bag Size | Key Characteristics |
|---|---|---|
| Filter Sand | 20 kg | Traditional 16/30 grade pool filtration media |
| CrystalClear Glass Fine/Medium | 15 kg | 0.75–1.7 mm glass filtration grade |
| CrystalClear Glass Medium/Coarse | 15 kg | 1.7–3.0 mm support/coarser glass grade |
| Zelbrite | 15 kg | High dirt and ammonia holding capacity |
CrystalClear Glass Media
CrystalClear glass media provides an alternative to conventional filter sand.
The glass particles provide an efficient filtration surface and are designed to be more resistant to bacterial attachment than traditional media.
Glass media can also reduce backwashing requirements, using approximately 25% less water during backwashing while allowing the backwash process to be completed in a shorter timeframe.
Two grades are available:
Fine/Medium
- 0.75–1.7 mm
- 15 kg bag
Medium/Coarse
- 1.7–3.0 mm
- 15 kg bag
The amount of each grade required depends on the filter model.
Zelbrite Media
Zelbrite is a high-performance mineral filter media designed as an alternative to conventional pool filter sand.
Its key characteristics include:
- High dirt-holding capacity
- Ammonia-holding capacity
- Long service characteristics
- Suitable for compatible pool media filters
Particle size: 0.5–1.4 mm
Bag size: 15 kg
Filter Sand
The 20 kg sand option is Grade 16/30 pool filter sand.
It is intended for media filters specifically designed to operate with conventional filter sand.
Bag size: 20 kg
Grade: 16/30
Compatibility
Suitable for compatible:
- Fibreglass media filters
- Thermoplastic media filters
- Residential swimming pool media filters
The required media type and quantity depend on the exact filter model.
Do not assume that one bag or one media grade is enough to fill a filter. Larger filters can require multiple bags, and glass-media configurations may require both fine/medium and medium/coarse grades.
Installation
Before replacing filter media:
- Confirm the filter manufacturer's specified media type.
- Confirm the required total media weight.
- Confirm whether multiple media grades are required.
- Follow the filter's installation and media-loading instructions.
Using the wrong quantity or grade can affect filtration and backwashing performance.
What's Included
Each variant includes:
1 × bag of the selected pool filter media
Bag weight depends on the selected option:
- Filter Sand: 20 kg
- CrystalClear Glass Fine/Medium: 15 kg
- CrystalClear Glass Medium/Coarse: 15 kg
- Zelbrite: 15 kg
FAQs
Can I replace sand with glass media?
Glass media is suitable for compatible media filters, but the required weight and grade arrangement can differ from sand. Check the specifications for your exact filter before ordering.
Are both CrystalClear glass grades the same?
No. Fine/Medium is 0.75–1.7 mm, while Medium/Coarse is 1.7–3.0 mm.
Do I need both glass grades?
Some filters require both grades in specified quantities. Check your filter's media requirements before purchasing.
What grade is the filter sand?
It is Grade 16/30 pool filter sand.
What size is the Zelbrite?
The Zelbrite media is 0.5–1.4 mm.
How much media does my filter need?
This varies considerably by filter model. Use the media requirement specified for your exact filter rather than estimating from tank size alone.
