Active Aqua Chiller With Power Boost — 1/4 HP

Keep Reservoir Temperatures in Range When Ambient Heat Won't Cooperate

Warm nutrient solution invites root disease, oxygen loss, and stressed plants — problems that show up fastest in the middle of a hot grow cycle when a reservoir can't be easily swapped or relocated.

The Active Aqua Chiller with Power Boost (1/4 HP) actively cools reservoir solution to a set target range, using an anti-corrosive titanium evaporator and an environmentally friendly R134a refrigerant system sized for reservoirs in the 40-92 gal range.

A built-in boost function accelerates the initial chilling process, so a freshly mixed or recently refilled reservoir reaches its target temperature faster than it would on standard cooling alone.

Key Features & Benefits

• Sized for 40-92 gal reservoirs — matches its refrigeration capacity to mid-size hydroponic systems in this range, rather than over- or under-cooling a tank it wasn't built for.
• Power Boost function — accelerates the initial chilling process for quicker establishment of target nutrient solution temperature after a refill or solution change.
• Anti-corrosive titanium evaporator — resists degradation in both fresh and salt water, extending the unit's working life in demanding reservoir environments.
• Rated flow of 396-925 GPH (1,500-3,500 L/h) — handles a 1/4 HP system's circulation needs with headroom, supported by a 3,010 BTU/hour rating for consistent cooling performance.
• Includes 1/2" and 3/4" fittings — arrives ready to connect to common reservoir plumbing sizes, and pairs well with recommended pumps such as AAPW400, AAPW550, or AAPW800.
• User-friendly digital temperature control — lets growers set and hold a specific target range rather than relying on passive cooling or guesswork.
• Environmentally friendly R134a refrigerant — supports a more sustainable operation while still delivering the active cooling a hot grow room demands.

Who Should Use Active Aqua Chiller With Power Boost — 1/4 HP

This 1/4 HP chiller suits hydroponic growers and indoor cultivators running reservoirs in the 40-92 gal range who are seeing solution temperatures climb during hot seasons or under grow-light heat load. It's a fit for anyone who has had to deal with warm-water stress symptoms — slowed growth, root issues, algae blooms — and wants active, controllable cooling rather than passive workarounds like ice or insulation.

Sizing and Setup Notes

This unit is rated for reservoirs in the 40-92 gal range, with a flow rate of 396-925 GPH (1,500-3,500 L/h) and a 3,010 BTU/hour rating. It ships with 1/2" and 3/4" fittings and pairs well with recommended circulation pumps such as AAPW400, AAPW550, or AAPW800; unit dimensions are 18"L x 13"W x 17"H. It is approved for indoor use only and is not rated for central or house plumbing — refer to the performance chart in the product information tab for detailed cooling capability across starting temperatures.

Frequently Asked Questions

Is the 1/4 HP model the right size for my reservoir?

This unit is built for reservoirs in the 40-92 gal range. If your system runs significantly larger or smaller than that, Active Aqua offers other HP ratings in the same Power Boost line sized for different reservoir volumes — matching capacity to tank size keeps the unit from over- or under-performing.

What does the Power Boost function actually do?

It accelerates the initial chilling process so a freshly mixed or recently refilled reservoir reaches its target temperature faster than it would under standard cooling — useful right after a solution change, when the gap between starting and target temperature is largest.

Can this chiller be used with both fresh and salt water?

Yes — it's built with an anti-corrosive titanium evaporator specifically designed to resist degradation in both fresh and salt water environments, which extends its service life regardless of solution type.

What pumps does this chiller work best with?

Active Aqua recommends pairing this 1/4 HP unit with AAPW400, AAPW550, or AAPW800 for proper circulation and cooling performance. Using a pump outside the recommended range can affect how efficiently the chiller cools your reservoir.

Can I install this on my home's plumbing system?

No — this unit is approved for indoor use only and is not rated for central or house plumbing. It's designed specifically to cool a hydroponic reservoir loop, not to integrate into a building's water system.

How long will it take to reach my target temperature?

That depends on your reservoir's starting temperature, ambient room conditions, and tank volume — the starting temperature of your solution always affects how long the initial chilling process takes. The Power Boost function shortens that window, and the performance chart in the product information tab outlines expected cooling times across different starting conditions.