Seachem PH Alert

Seachem PH Alert

Seachem PH Alert is a colour-changing freshwater aquarium pH monitor for fishkeepers who want a continuous, visible indication of pH changes without using liquid test kits or test strips. Place this compact Seachem sensor in a visible area of the aquarium or filter to monitor pH levels from 5.8 to 8.2.

Key Benefits

• Continuously monitors freshwater aquarium pH.
• Colour sensor changes reversibly as pH shifts.
• Provides a visible reading range between pH 5.8 and 8.2.
• No chemicals, test procedures or test strips required.
• Small, clear and unobtrusive design helps keep the aquarium view uncluttered.
• Designed to last up to four times as long as competing products.

How to Use

• Place Seachem PH Alert visibly anywhere in the freshwater aquarium or filter.
• Allow approximately 30 minutes for the sensor to respond when first put into service.
• After initial setup, pH shifts register within ten minutes.

Suitable For

• Freshwater aquariums only.
• Aquarium keepers looking for an always-visible pH indicator between regular water checks.

Specifications

• pH monitoring range: 5.8 to 8.2.
• Sensor type: reversible colour-changing sensor.

What's Included

• One Seachem PH Alert colour-changing pH monitoring device.

Frequently Asked Questions

Can I use Seachem PH Alert in a tropical freshwater aquarium?
Yes. Seachem PH Alert is designed specifically for freshwater aquariums and can be placed in the aquarium or filter.

Does Seachem PH Alert need reagents or test strips?
No. It requires no chemicals, test strips or test procedures; the sensor provides continuous colour-based monitoring.

What pH range does Seachem PH Alert monitor?
It monitors pH shifts within the 5.8 to 8.2 range.

How quickly will the pH sensor respond after installation?
When first placed in service, allow about 30 minutes. Thereafter, pH changes register within ten minutes.

Where should I place the PH Alert in my aquarium?
Place it where it remains clearly visible, either inside the aquarium or in the filter.

Is Seachem PH Alert suitable for marine aquariums?
No. This pH monitoring device is for freshwater only.

When can I expect delivery?

• Gauteng (Jhb/Pta) - 1-3 working days
• Nationwide (Cpt/Dbn+) - 2-5 working days
• Outlying Areas - 3-7 working days

All orders are sent via Economy Road, typically through Fastway or Internet Express Couriers*. Estimated timeframes are not guaranteed. Once the order is collected by the courier, we have no control over third-party logistics and cannot make any time promises.

If you prefer a faster 🚀 shipping option, we also offer The Courier Guy during checkout in the dropdown selection. Please note that this option is not free, and you must choose it to use it. Please pay careful attention to the cutoff times and delivery timeframe for these options during checkout.

Enjoy the convenience of collection points and lockers! 📦

No more waiting at home or at work for your delivery. Simply choose a collection locker or pickup point and collect your order when it suits you.

Delivery times to lockers and pickup locations typically range from 2–7 working days, depending on your location.*

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Collection timeframes:

• Bob Box: Collect within 2 days of receiving your collection notification.
• PUDO Lockers: Collect within 36 hours of receiving your collection PIN or SMS notification.

If a PUDO parcel is not collected within 36 hours, it will automatically be transferred to the nearest PUDO Kiosk or Depot at no additional cost. The parcel will then be held there for approximately 2 days before being returned.

Please ensure you collect your parcel within the applicable collection period. Uncollected parcels will be returned to the sender, and additional shipping charges may apply should the order need to be resent.