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  • COMMAIK
    • Contact Form
    • Imprint
    • Privacy
  • The Villa
    • The top floor
    • The upper floor
    • The first floor
    • The cellar
    • The garden
  • Stories from the construction
    • irrigation
    • Photovoltaics
    • Pool and terrace
    • SmartHome
    • The planning
    • The demolition
    • The installation
    • Machinery
    • Restoration and working techniques
    • This and that
  • Videos
    • Build & Renovate
    • Irrigation
    • Carport
    • Gabions
    • Garden
    • Garden kitchen
    • Pool
    • Smart Home
    • Drying
    • Tutorials
  • TESTED & RATED
    • Heating solutions & energy
    • Outdoor & Garten
    • Pool & garden kitchen
    • Security & Smart Home
    • Tools & DIY
  • Commaik Music
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  • Installing and programming the Hunter Hydrawise irrigation computer – step by step

    A smart irrigation controller displaying “Hydrawise” is shown with an arrow pointing to a sprinkler watering a lush green lawn in the backyard. www.commaik.de

    Automatic garden watering with the Hunter Hydrawise controller brings more convenience, efficiency and control to my lawn, bed and hedge watering. In this article, I will show you the complete transition from the classic Hunter X-Core to the smart Hydrawise control system – including WLAN setup, zone programming, sensor integration and weather-based adjustment with Solar Sync and Predictive Watering. I describe how my existing system was expanded and modernized, which functions make the difference and what to look out for during installation. A field report with many technical details – from practice, for practice.

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    An Anthbot Genie robot mower with a white and gray body rides on a green lawn near a stone house and a rock wall in a landscaped yard, showcasing its versatile purpose. www.commaik.de

    Anthbot Genie robotic lawnmower in test: Perfect lawn mowing without cables?

    25. April 2025
    A man points at a metal heating box containing machinery and a yellow fluid tank; a large white arrow indicates transferring liquid from a red fuel container into the parking heater. www.commaik.de

    Upgrading the diesel parking heater: Installing a tank extension for the mobile heating box

    19. January 2025
    A person holds a trencher, creating trenches in a grassy yard for irrigation. Several orange buckets filled with soil are placed around the dug areas, with a brick path on the right and a stone building in the background. www.commaik.de

    Installing a lawn sprinkler: Step-by-step instructions for watering your garden

    21. March 2025
  • Network wireless smoke detectors across several floors: How X-Sense Link+ protects your whole house!

    Various X-Sense smoke detector products, their packaging, mounting stickers, and a fire extinguisher are arranged on a wooden table with tools hanging on a pegboard in the background. www.commaik.de

    X-Sense wireless smoke detectors in the test: In my multi-storey old building with thick walls, it was clear that normal smoke alarms were not enough. I installed the X-Sense Link Plus system with wirelessly networked smoke detectors and CO detectors and put it through its paces. In this article, I show how smoke detectors with wireless technology perform in practice, how the setup works with and without an app and which variant is suitable for which application scenario. You’ll also find information on mandatory smoke alarms in Germany, the technology behind the devices and my detailed practical test with video.

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    Two Anthbot robotic lawnmowers stand side by side on green grass, the sunlight illuminating their wheels and sensors in a backyard or garden. www.commaik.de

    Robot lawn mower without boundary wire in test: LiDAR vs RTK in comparison (ANTHBOT M5 vs M9)

    14. April 2026
    A black Reolink NVR device is shown against a gray background. A large text in German reads "Hard disk retrofitting". The Reolink logo appears in the bottom left corner. www.commaik.de

    Expand Reolink NVR storage space – Installing and configuring hard disks correctly

    26. February 2026
    Lawn care equipment, including a lawn mower, fertilizer spreader, and a bag of fertilizer, is arranged on a lush lawn near a palm tree and garden bed with white stones. Stacked firewood sits in the background. www.commaik.de

    The 5 best tips for a healthy lawn – lawn care in spring

    2. February 2025
  • Build your own pool terrace with stone slabs on a slope

    A modern backyard with a rectangular pool, surrounded by gray tiles. There’s a covered terrace with bar stools, a small palm tree, and a blue shed in the background. www.commaik.de

    Building a poolside terrace on a slope is a real challenge – especially when there is hardly any space for a classic substructure. In this article, I show you how I created a stable, long-lasting plateau using formwork stones, gravel, chippings and patio slabs. I document the entire construction process in detail, from excavation to setting the formwork stones and laying the slabs – including all tips on material selection, height adjustment and joint filling. Ideal for anyone who wants to upgrade their pool area in the garden both functionally and visually.

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    A small backyard swimming pool with clear blue water is surrounded by patio stones. The covered outdoor seating area, topped with solar panels, offers a perfect spot for winterizing the pool. A palm plant sits in the foreground. www.commaik.de

    Winterizing the pool – putting pool technology into operation and adjusting water values

    29. January 2024
    A man in a black jacket points to the inside of a black, box-shaped electronic device with wires, next to a similar device with the inscription "KROAK TB2" on a gray background. www.commaik.de

    Kroak TB2 diesel parking heater 8kW: Unboxing, test & possible applications

    22. January 2025
    A backyard features a rectangular swimming pool surrounded by a wooden deck, a small covered terrace with a bar, a palm tree, garden beds, a lawn, a greenhouse, and a white house with stone siding. www.commaik.de

    Building a BPC and WPC terrace on a slope – My new pool terrace with recycled boards

    14. May 2025
  • Dreame A1 Pro in test – Cordless robotic lawnmower without boundary wire & RTK

    The dreame a1 pro, a modern robotic lawn mower with a sleek grey design, operates on a grassy lawn, with a building and potted plants visible in the background. www.commaik.de

    The Dreame A1 Pro robotic lawnmower is a wireless robotic lawnmower without a boundary wire, RTK or external antennae – and I was able to test it extensively for several weeks. In this article, I will show you how the Dreame A1 robotic lawnmower with LiDAR navigation, app control and intelligent obstacle detection works, where its strengths lie and where there is still room for improvement. All the technical data, my everyday experiences and a detailed comparison with other robotic lawnmowers – now in the full test report.

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    A 4K PTZ Reolink security camera monitors a man walking towards a large house at dusk. A digital overlay highlights the camera's facial recognition and zooms in on the man's face with a blue square frame. www.commaik.de

    The best Reolink 4k PTZ surveillance cameras in comparison: 823S2 vs 823S1 vs TrackMix vs TrackFlex in test

    27. February 2026
    Partially built outdoor wall of white concrete blocks with exposed electrics, a level tool, and a hammer on top—ideal for a future garden kitchen. A canopy and stacked firewood appear in the background. www.commaik.de

    Build your own garden kitchen – plan and install the electrics

    19. March 2024
    A man stands in front of a backyard with a pool, thinking. Two Reolink Duo 3 security cameras—PoE and WiFi—are displayed, showcasing the latest in Reolink surveillance. The Reolink logo appears at the top right. www.commaik.de

    Reolink Duo 3 WiFi & PoE review: Smart UHD surveillance camera with 180° field of view

    29. January 2025
  • 6 Hunter pop-up sprinklers for optimum lawn irrigation in the test

    A Hunter sprinkler sprays water across a sunlit green lawn, providing efficient lawn irrigation with trees and a building in the background on a bright, clear day. www.commaik.de

    Hunter pop-up sprinklers, geared sprinklers and MP Rotators compared in practice: In this article, I show you which sprinklers have proven themselves in my garden – from classic Hunter geared sprinklers such as the I-20 and PGP Ultra to the compact PGJ and pressure-regulated PRS40 housings with MP Rotator nozzles. I share my experiences from daily use, compare the models with each other and give tips on planning efficient lawn irrigation. If you want to optimize your garden irrigation, you will find lots of helpful information here – including direct recommendations and a clear comparison table.

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    A modern backyard with a rectangular pool, surrounded by gray tiles. There’s a covered terrace with bar stools, a small palm tree, and a blue shed in the background. www.commaik.de

    Build your own pool terrace with stone slabs on a slope

    8. June 2025
    Built-in outdoor kitchen featuring a black gas grill with a sizzling sizzle zone in the center, a side burner on the left, and sleek metal drawers and cabinets below—all set in a stylish wooden and concrete counter. www.commaik.de

    Permanently installing the sizzle zone of the Napoleon gas barbecue in the outdoor garden kitchen

    30. April 2025
    Modern garden kitchen with a built-in grill, stovetop, drawers, and cabinets against a textured gray concrete look wall. Dark countertops and light concrete floors complete the style. A lantern and small appliances sit on the counter. www.commaik.de

    Designing a garden kitchen with a concrete look: Instructions for robust walls in the outdoor kitchen

    25. October 2024
  • Building a BPC and WPC terrace on a slope – My new pool terrace with recycled boards

    A backyard features a rectangular swimming pool surrounded by a wooden deck, a small covered terrace with a bar, a palm tree, garden beds, a lawn, a greenhouse, and a white house with stone siding. www.commaik.de

    BPC decking, slope, pool construction and substructure – in this post I show how I built my new pool deck with recycled BPC boards, solid larch beams and aluminum profiles. The pool is located on a slope, which places special demands on stability, gradient and load-bearing capacity. I share my experiences with BPC and WPC, explain the differences in installation and show what really matters when it comes to a durable, resilient decking construction. If you want to build a patio yourself, you’ll find lots of practical tips and insights here.

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    Lawn care equipment, including a lawn mower, fertilizer spreader, and a bag of fertilizer, is arranged on a lush lawn near a palm tree and garden bed with white stones. Stacked firewood sits in the background. www.commaik.de

    The 5 best tips for a healthy lawn – lawn care in spring

    2. February 2025
    Close-up of two wire connectors and a cut green boundary wire on grass, with wire cutters and a plier nearby; white stones are visible in the background. www.commaik.de

    Repairing broken wires: Finding and repairing the boundary wire for robotic lawnmowers

    23. November 2024
    A modern backyard with a rectangular pool, surrounded by gray tiles. There’s a covered terrace with bar stools, a small palm tree, and a blue shed in the background. www.commaik.de

    Build your own pool terrace with stone slabs on a slope

    8. June 2025
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Autor & Blogger

In this construction diary, we share our experience in the renovation and modernization of our Art Nouveau villa and hope to give a few suggestions and tips to some of you.

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