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    pH Meter

    Optimize your hydroponic garden with our compact pH meter. Easily measure and adjust pH levels to boost plant growth. Includes calibration powder and simple instructions for accurate readings. Ideal for beginner hydroponic growers. Features a wide measurement range and good accuracy at great value.

    Features

    Why do I need a pH meter?

    You don't always need a pH meter to grow your favourite plants in our indoor gardens, but having the ability to test your water and adjust pH accordingly will help you optimise your plants growth, and give them a boost that you can't get by simply guessing. We recommend getting a pH meter when you start getting serious about your hydroponic growing journey.

    Why is it important to know the pH of my water?

    Hydroponic nutrients have a range of different nutrients that plants need to grow. All of these nutrients dissolve in water at different pH levels, furthermore many plants have different pH ranges that they grow best in! If you can know your pH then you can optimise what your plants are getting and make sure that they have everything they need to thrive!

    Instructions

    Measuring pH is really easy once you're all set up, all you need to do to get an accurate reading is:

    1. Rinse the electrode on the pH meter
    2. Turn the meter on
    3. Immerse the meter electrode in the solution you want to test
    4. Stir gently and wait 30 seconds for the reading to stabilise.
    5. After reading, clear the electrode and turn off the meter. Always replace the protective cap after use.

    Specifications

    What's included

    Included in this package are:

    • pH meter
    • Instructions
    • Batteries not included (unfortunately we are not able to send batteries of this type in the mail, so we must sell the product without them).

    Specifications

    • Measurement range: 0.00-14.00 pH
    • Resolution: 0.01 pH
    • Accuracy: +/- 0.01 pH
    • Power supply: 2x1.5V LR44 Button Cell (not included)
    • Operating Temperature: 0-60 Degrees C
    • Calibration: Calibration can be done against known pH quantities, calibrating to one point will provide accuracy to 0.1 pH, calibrating to three points will provide accuracy to 0.01 pH
    FAQ - Gathera

    ❓ Frequently Asked Questions

    Find answers to common questions about ordering with Gathera

    📦 Shipping & Delivery

    Where is my product shipped from?
    Orders for Australia, New Zealand, USA, Canada, and India are shipped from our warehouse in Sydney, Australia. UK and EU customers should shop directly from our dedicated store at www.gathera.co.uk, where orders ship from our UK warehouse in Bristol.
    How long is postage and what is the cost?
    Australia: Shipping is typically 2-6 business days. Orders over $140 AUD qualify for free domestic postage (may change during sale periods). Sydney Metro, Canberra, and Melbourne Metro areas often receive orders within 2–3 business days.

    International (Standard): New Zealand is 9–15 business days, and the USA is 10–20 business days. Shipping costs are calculated at checkout. For full details, see our Postage and Delivery page.
    What countries do you ship to?
    We ship to Australia, New Zealand, the USA, Canada, and India. Customers in the UK/EU must use our separate store at www.gathera.co.uk.
    How can I track my order?
    Once your order has shipped, you will receive an email containing your tracking number and a link to the carrier's website. Please allow 24 hours for the tracking information to update.

    🔄 Returns & Policy

    What is your returns policy?
    We offer a 30-day change of mind return policy. To be eligible, your item must be unused, in the same condition you received it, and in the original packaging. Returns must be requested within 30 days of receiving your item. You can read the full policy details on our dedicated page: See the full Refund Policy here.
    What if my product arrives damaged or defective?
    If your product arrives damaged or defective, please contact our customer support team immediately with your order number and photos of the issue. We will arrange a replacement or refund quickly.

    💡 Product Use & Care (Grow Lights)

    How do I use grow lights effectively?
    Distance & Time: For most houseplants, place the light 30-60cm (12-24 inches) away and run for a 12–16 hour photoperiod. Seedlings and herbs may require the light closer (15-30cm). Using a timer is highly recommended for consistency.

    For detailed advice on color temperature and light cycles, check out our full guide: Growing with Grow Lights.

    💵 Payments

    What payment methods do you accept?
    We accept all major credit cards (Visa, Mastercard, Amex), PayPal, and accelerated payment methods like Shop Pay, Google Pay, and Apple Pay. We also offer 'Buy Now, Pay Later' options like Afterpay.