Version 2: Beyond the Upgrade – The RSM 250 Mixed Reef

[Journeyman]

Version 2 — The Beginning of a Reef​

After several years of rebuilding, upgrading and refining my Red Sea Max 250, I've decided it's time to close the upgrade chapter and begin a new one.

Version 1 was about transforming an ageing Red Sea Max 250 into a modern, reliable reef system.

Every upgrade had a purpose:

• improving reliability,
• simplifying maintenance,
• increasing stability,
• and creating a solid foundation for a thriving reef.

Today, I finally feel the hardware has reached the point where it no longer needs changing.
The aquarium has become exactly what I wanted it to be.
From this point forward, the focus shifts away from equipment and onto what really matters:

Growing a healthy, mature mixed reef.

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The Philosophy​

This thread won't be about buying the latest equipment or chasing every new gadget.

Instead it will document:

• coral growth
• reef maturity
• long-term stability
• lessons learned
• successes
• failures
• and hopefully the transformation of this aquarium over the coming years.

Reef keeping is a marathon, not a sprint.
I hope this thread reflects that.

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The Aquarium Today​

Current System

Display

• Red Sea Max 250

Lighting

• 2 × Horizon Aqua Zetlight Lancia 2 (895M and 590M)
• Custom lighting schedule

Water Movement

• Dual Jebao DCS-2000 return pumps
• Dual Random Flow Generator (RFG) nozzles
• Jebao OW-25 wavemaker

Filtration

• Tunze Doc 9004
• Filter floss
• Seachem Purigen
• Activated carbon
• Seachem Matrix
• Live rock
• Live sand

Water Management

• Gravity-fed 7 L Auto Top-Up
• RO water
• Aquaforest Reef Salt

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Livestock​

Fish:

• 2x Ocellaris clownfish
• Lyretail Anthias
• Pajama Cardinal
• Blue Tucsido Urchin

Clean-up crew:

• Blue Tucsido Urchin
• Snails
• Sand shifting sea-star

Coral list

• Kenya tree
• Green Finger Leather
• GSP
• Ultra Green Palythoas
• Neon green cabbage Leathers
• Green mushrooms
• Blue spotted Purple mushrooms
• Palythoas green
• Pincushion leather
• Sunny D zoanthids

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The Vision​

The goal isn't to fill every space with coral.
The goal is to create a reef that looks natural.
Plenty of open swimming space.
Healthy coral growth.
Movement.
Colour.
Stability.

If everything goes according to plan, the reef will gradually develop into a mixed reef dominated by soft corals and LPS.

Planned additions include:

• Firecracker Clove Polyps
• Blastomussa
• Acan colonies
• Euphyllia
• Trachyphyllia
• Scolymia

Every coral will be added slowly and only once the system is ready.

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The Rules​

To keep myself disciplined, I'm setting a few rules for this build

1. Stability over perfection.
2. Only one major change at a time.
3. No impulse livestock purchases.
4. Every coral must have a long-term placement plan.
5. Regular maintenance beats expensive equipment.
6. Observe first, react second.

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Looking Forward​

I've been keeping marine aquariums for many years now, starting with an Aqua One 510, progressing through a Boyu TL550, and finally arriving at this Red Sea Max 250.
Each aquarium has taught me something different.
This one feels different.
For the first time, I don't feel like I'm building a reef.
I feel like I'm simply looking after one.

Welcome to Version 2.

Let's see what the next few years bring.