Description
ZODIAC EL25 SALTWATER CHLORINATOR
Description
✅ What it does / key features
•The Zodiac EL-Series (EL25/EL35) is designed and manufactured in Australia — explicitly “built tough … to tackle our harsh environment”.
•The EL25 model has a cell output of 25 grams of chlorine per hour (25 g/h).
•It includes built-in timers (clock/timer system) so you can schedule filtration/chlorination cycles.
•It features a self-cleaning reverse-polarity electrode cell, which helps reduce scale/buildup and maintenance.
•Adjustable chlorine output: you can fine-tune the output for seasonal conditions.
•Plumbing compatibility: suitable for 40 mm or 50 mm plumbing sizes.
•Recommended salt / salinity: around 4,000 ppm (some sources say up to 6,000 ppm) to operate properly.
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📊 Spec sheet (highlights)
Here are some of the key specs for the EL25:
•Cell output: 25 g/hr.
•Recommended pool size (as per typical Australian climate guidelines):
•In cooler/milder climates: up to ~ 80,000 litres.
•In hotter/tropical climates: up to ~ 40,000 litres.
•Plumbing size: 40 mm / 50 mm.
•Recommended salinity: 4,000 ppm (though some specs list up to 6,000ppm).
•Warranty: 2 years.
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🤔 Pros & potential considerations
Pros:
•It’s a solid, purpose-built option for Australian residential pools, especially given “harsh environment” durability.
•Low maintenance thanks to self-cleaning technology — good if you don’t want frequent cell cleaning.
•The adjustable output and timers give flexibility (especially across seasons).
•Good for moderate-sized pools (the “up to ~40,000 L in hot climates” guideline is relevant for Brisbane climate).
Considerations:
•Pool size and climate are key: If your pool is larger than ~40,000 L (in a hot climate like Brisbane) you might be pushing the limits of what 25 g/hr output comfortably covers.
•Make sure your plumbing (40/50mm) and salt level are compatible. If your pool system is non-standard, check installation complexity.
•Operating salinity: You’ll need to maintain correct salt levels (and verify compatibility with other pool equipment, surfaces, etc).
•While “low maintenance”, you still need regular checks (salt level, cell condition, timer/filtration scheduling).
•Initial cost + installation: As with any chlorinator, upfront cost + proper installation matter for long term performance.
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🎯 Suitability for your context (Brisbane / QLD, Australia)
Given you’re in Brisbane (hot, tropicalish climate):
•The “hot climate” size guideline (~40,000 L) is most relevant. If your pool is around or below that volume, the EL25 is likely a good fit.
•If your pool is significantly larger (say 50,000 L +), you might want to consider the higher output version (EL35) or a more heavy-duty model.
•Because Brisbane has relatively intense sun and usage, the adjustable output and self-cleaning features are useful.
•Ensure your salt level and water chemistry are kept up, as rapid changes/usage could increase demands.
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🔍 Installation / What to check before you buy
•Confirm your pool volume (litres) and whether that aligns with the “up to X litres” spec for your climate.
•Check plumbing size (does your equipment pad piping match 40mm or 50mm) and ease of mounting the controller/cell.
•Ensure your pool’s salt level is appropriate and stable — many pool owners (and retailers) note the importance of correct salinity for such units.
•Consider future maintenance: even with self-cleaning, plan for periodic checks, cell life, etc.
• Think about your pool usage: heavy usage, big storms/leaf load etc might demand slightly more robust output.







Martin O’Shannessy (verified owner) –
This is a good product backed by a great team! James turned up same day and installed without fuss. Very satisfied customer.