Cholla Wood / Cactus Skeleton
Cholla Wood, also known as cactus skeleton, is a natural aquarium botanical with a hollow structure, side holes, tunnels and textured surfaces for shelter, biofilm grazing and natural blackwater aquascapes.
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Quick decision guide
Best fit
What you receive
- Choose from 6 current options.
- 1 Cholla Wood Piece | 6” Long | 3/4–1-1/4” - Single Cholla Wood / cactus skeleton piece, approx. 6” long and 3/4–1-1/4” diameter
- 3 Cholla Wood Pieces | 6” Long | 3/4–1-1/4” - Pack of 3 Cholla Wood / cactus skeleton pieces, approx. 6” long and 3/4–1-1/4” diameter
- 5 Cholla Wood Pieces | 6” Long | 3/4–1-1/4” - Pack of 5 Cholla Wood / cactus skeleton pieces, approx. 6” long and 3/4–1-1/4” diameter
- 1 Cholla Wood Piece | 4” Long | 3/4–1-1/4” - Single Cholla Wood / cactus skeleton piece, approx. 4” long and 3/4–1-1/4” diameter
- 3 Cholla Wood Pieces | 4” Long | 3/4–1-1/4” - Pack of 3 Cholla Wood / cactus skeleton pieces, approx. 4” long and 3/4–1-1/4” diameter
- 5 Cholla Wood Pieces | 4” Long | 3/4–1-1/4” - Pack of 5 Cholla Wood / cactus skeleton pieces, approx. 4” long and 3/4–1-1/4” diameter
- You receive the option selected. Natural product size, shape, colour and texture can vary.
How to prepare
- Rinse thoroughly before use to remove dust or loose natural material. Optional: pre-soak in hot water for 15–30 minutes, then allow to cool completely before adding. Add gradually, especially in small aquariums or very soft / low-KH water.
- Preparation method: Rinse Soak And Weigh Down If Needed.
- Add as structure and observe how livestock use it before adding more pieces.
How to start
- Nano: Use one small piece only if it physically suits the tank.
- Small: Start with one piece and observe.
- Medium: Use one or more pieces as grazing and shelter structure.
- Large: Use as part of a wider hardscape and botanical layout.
What to expect in 24-72 hours
- May float at first. Biofilm can develop on the surface and is often grazed by shrimp or snails.
- Observe livestock, water clarity and smell for 24-72 hours after adding new botanicals.
Safety / do not use if
- Check opening size against livestock.
- Natural pieces vary in diameter, texture and floating time.
- Do not use in unstable tanks or when livestock are already stressed.
- No pH or tint outcome is promised for cholla wood.
- Not sold as livestock treatment.
- Do not use if: Openings Are Wrong Size For Livestock, Tank Is Unstable, You Need A Tannin Heavy Product.
Product FAQ
Will it sink?
Some pieces may float at first. Soaking or hot steeping can help, but natural pieces vary.
Will it tint the water?
It may add a visible botanical tint depending on dose, water chemistry and preparation.
Is it safe for shrimp?
Use gradually for shrimp tanks and observe livestock carefully for 24-72 hours.
How much should I start with?
Start with less than you think you need, then build up gradually after observing the tank.
Can I use it in a new tank?
Use extra caution in new or unstable tanks. Stable livestock and mature filtration come first.
Is it a medicine or pH product?
No. This is a natural aquarium botanical product, not medication and not an instant pH-control product.
Related BBA guidance
Use the education pages before adding botanicals to sensitive aquariums.
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