- Heavy-Duty Wall-Mountable Metal Bracket
- In-Line Shut-Off Valve
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HydroLogic smallBoy Dechlorinator & Sediment System w/ KDF85 Catalytic Carbon Filter
starting from 0% interest financing from
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- 60 gallons per hour maximum flow rate for steady reservoir filling.
- KDF85 catalytic carbon media targets chlorine and heavy metals.
- Compact 14 by 12 by 6 inch frame for tight install spots.
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VOLUME PRICING
Commercial & Bulk Purchasing
We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
- You are adding high-purity water to your nutrient reservoir because chlorine is suppressing the beneficial microbes your living soil depends on.
- You are installing a filtration system in a cramped utility area because you need professional-grade water treatment without sacrificing square footage.
- The KDF85 filter is a clear winner over standard carbon because it handles heavy metal removal while keeping the water chemistry stable for biological inputs.
- The included bracket is surprisingly thick, so you can mount this directly to a stud without worrying about the unit sagging under its own weight.
- Users managing small-batch indoor setups say the system fits easily behind their reservoir where larger tanks would block access.
- Growers who switched to this unit report that their beneficial bacteria colonies show more stability after removing trace contaminants.
HydroLogic smallBoy Dechlorinator & Sediment System w/ KDF85 Catalytic Carbon Filter
Not every setup needs a high-volume filtration system — sometimes what's needed is dependable, broad-spectrum contaminant removal in the smallest possible footprint. The HydroLogic smallBoy Dechlorinator & Sediment System uses KDF85 catalytic carbon filtration to deliver exactly that, removing up to 99% of chlorine along with sediment, rust, and silt, all while fitting into tight spaces where larger units like the HydroLogic TALLboy or the high-capacity BIGboy Dechlorinator simply won't work.
Beyond basic dechlorination, the KDF85 catalytic carbon media also reduces volatile organic compounds (VOCs), mercury, lead, and PCBs — keeping beneficial bacteria and microorganisms alive and healthy in the water supply. That matters for growers who depend on microbial activity in soil, compost teas, or living systems, where chlorine and trace contaminants can quietly undermine results.
At 14" x 12" x 6" and just 7.6 lbs, the smallBoy KDF85 is the most compact system in HydroLogic's lineup. If you don't require the advanced KDF85 media, the standard HydroLogic smallBoy is also available for basic sediment and chlorine removal, while those needing a portable reverse osmosis solution might consider the HydroLogic MicRO 75GPD.
What's Included
Features
🧪
KDF85 Catalytic Carbon
Catalytic carbon media targets chlorine, VOCs, mercury, lead, and PCBs.
💧
60 GPH Flow Rate
Delivers 60 gallons per hour (1 GPM) in a compact, space-saving design.
🦠
Protects Beneficial Bacteria
Keeps beneficial bacteria and microorganisms alive and healthy in filtered water.
🔧
Wall-Mountable Bracket
Heavy-duty metal bracket keeps the unit secure in a small footprint.
🚿
Inlet Shut-Off Valve
Built-in shut-off valve simplifies servicing and filter changes.
📦
Compact Footprint
At just 14" x 12" x 6" and 7.6 lbs, fits where larger systems can't.
Specifications
| Specification | Value |
|---|---|
| Filter Media | KDF85 catalytic carbon |
| Flow Rate | 60 GPH (1 GPM) |
| Dimensions | 14" × 12" × 6" |
| Weight | 7.6 lbs |
| Recommended Housing Replacement | Every 3 years |
Frequently Asked Questions
What makes the KDF85 version different from the standard smallBoy?
This version uses KDF85 catalytic carbon filtration media, which targets a broader range of contaminants compared to the standard smallBoy Dechlorinator, while keeping the same compact 14" x 12" x 6" footprint.
What contaminants does the KDF85 media remove?
KDF85 catalytic carbon removes up to 99% of chlorine along with sediment, rust, silt, VOCs, mercury, lead, and PCBs commonly found in municipal water.
Why is protecting beneficial bacteria important?
Chlorine and trace contaminants can harm beneficial bacteria and microorganisms that living soil, compost teas, and microbial-based systems depend on. This filter removes those contaminants to keep that biology healthy.
What flow rate does this system support?
It's rated for 60 gallons per hour (1 GPM), suited for smaller reservoirs and single-room setups. If you need higher volumes and total dissolved solids removal, consider a reverse osmosis unit like the HydroLogic Stealth-RO300.
How is this system installed?
It comes with everything needed for quick hook-up, including a heavy-duty wall-mountable metal bracket and an in-line shut-off valve for plug-and-play setup.
How often does the filter housing need replacing?
HydroLogic recommends replacing the filter housing every 3 years to maintain consistent filtration performance.
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Questions About This Product?
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