Resources for Baptist, evangelical, and Pentecostal churches that practice believer's baptism by full immersion: holding a service without a pool, sizing a baptism pool, choosing and maintaining a portable baptistry.
23 articles
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Fill time, water heating, capacity, steps and handrail, and indoor vs outdoor use: short answers to the questions churches ask most about the Kollder portable baptistry.
14 September 2026
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The right water temperature for an immersion baptistry, how much water you need to heat, and three practical methods to get there.
10 September 2026
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The full sequence of an immersion baptism, from advance preparation to filling the pool, the immersion itself, and packing down after the service.
10 September 2026
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How to make an immersion baptism safe and dignified for every candidate, including elderly people, children, and people with reduced mobility.
10 September 2026
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The Kollder portable baptistry holds up to two adults in the pool, the candidate and the officiant, for a supported, dignified full immersion.
8 September 2026
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A rundown of the concrete advantages of the Kollder portable baptistry for a church practicing immersion baptism: setup, structure, maintenance, and transport.
7 September 2026
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How to clean, disinfect, and store a portable baptistry between baptisms to extend its lifespan.
7 September 2026
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How many evangelicals in France, how many places of worship, which church unions: a data-based overview of French evangelical Protestantism.
7 September 2026
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The official directories for finding an evangelical, Baptist, or Protestant church in France, and how to use them.
7 September 2026
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The right portable baptistry has less to do with a universal spec sheet than with your church's actual profile: baptism frequency, mobility needs, and budget.
7 September 2026
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Where the practice of immersion baptism comes from, why it's central to Baptist and evangelical churches, and why it's growing in France.
7 September 2026
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Practical solutions for churches that want to practice immersion baptism without relying on a municipal pool, a lake, or a river.
7 September 2026
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A comparison of inflatable and rigid folding baptistries to help a church choose the right immersion baptism equipment.
7 September 2026
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An objective comparison between the Kollder portable baptistry, the US-based Portable Baptistry, and makeshift solutions such as inflatable pools and bathtubs: stability, room in the tank, storage and upkeep.
7 September 2026
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The most common mistakes churches make when buying a portable baptistry for the first time, and how to avoid them.
7 September 2026
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Organizing an outdoor immersion baptism at a summer camp, convention, or regional gathering: logistics and equipment to plan for.
7 September 2026
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Baptismal pool dimensions for full adult immersion: recommended length, width, depth, and water volume, plus setup considerations for churches and baptism sites.
7 September 2026
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Why a portable baptistry is close to essential equipment for a Baptist church, and what sets it apart from a makeshift setup.
7 September 2026
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The essential criteria to check before buying a portable baptistry for your church: structure, dimensions, material, and accessories.
7 September 2026
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Price ranges for portable baptistries by structure type, and what explains the gap between an inflatable model and a durable rigid structure.
7 September 2026
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An objective comparison of the leading portable baptistry manufacturers in Europe and the US, and where the Kollder portable baptistry fits.
7 September 2026
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A comparison of renting versus buying a portable baptistry, based on how often your church expects to hold immersion baptisms.
7 September 2026
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A comparison between a portable baptistry and a fixed baptistery built into the building, for churches weighing the two options.
7 September 2026
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