ANS Casuarina Cones Aquarium

Description

ANS Casuarina Cones – Natural Aquarium Botanicals (Reduce pH Level + Tannin Blackwater Effect)
Want a more natural and healthier environment for shrimp, betta, and softwater fish? ANS Casuarina Cones are 100% natural aquarium botanicals that slowly release important tannins and humic substances to create a tropical-like blackwater environment while helping to reduce pH level gently.
Natural pH Reduction (Softwater Support) – Casuarina cones release tannins/humic acids that can naturally lower pH and create blackwater conditions, ideal for low pH setups.
Blackwater Look + Stress Reduction – Adds a natural “tea tint” which many softwater fish prefer, making the tank look more natural and comfortable.
Baby Shrimp Hideout + Biofilm Grazing – The cones act as shelter for baby shrimps, and biofilm grown on them becomes a natural food source for shrimplets.
Helps Create a Natural Biotope Tank – Great for shrimp tanks, betta tanks, and blackwater aquascapes (nature style botanical setup).
Natural Antibacterial / Anti-fungal Support – Casuarina cones contain humic acids and tannins that are often linked to antibacterial benefits and healthier tank conditions.
Encourages Better Colour & Breeding Behaviour – Many hobbyists use botanicals like these to promote improved coloration and spawning behaviour in softwater species.
✅ Best For
Shrimp (low pH shrimp setups) | Betta | Tetras | Discus | Softwater fish | Blackwater aquascape | Biotope tanks
✅ How To Use ✅
|Step 1: Quick rinse with clean water (remove dust)
Step 2: Add directly into tank OR pre-soak to help it sink faster
Step 3: Start with small amount, monitor pH and water colour, then adjust as needed (every tank differs)
📌 Note: Tannins may tint water slightly yellow/brown (normal blackwater effect). Use activated carbon if you prefer clearer water.
📦 What You Receive 📦
1 pack ANS Casuarina Cones (natural cones)
Q1: What do Casuarina cones do in an aquarium?
A: They release tannins and humic substances that help create blackwater conditions and can gently reduce pH, making the environment more natural for shrimp and softwater fish.
Q2: Will it turn my water brown/yellow?
A: Yes, a light tea tint is normal because of tannins. This is the “blackwater” look many hobbyists want. If you don’t like it, use carbon or do water changes.
Q3: How many cones should I use?
A: Start small and adjust. Some hobbyists use around 5–6 cones per 10 gallons, but results vary by tank size and water parameters, so monitor pH.
Q4: Is it good for shrimp babies?
A: Yes. The cones provide small hiding areas, and biofilm grows on the surface which becomes natural grazing food for baby shrimp.
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Using ANS Casuarina Cones in Singapore shrimp and betta tanks

These casuarina cones are a favourite botanical among Singapore shrimp and betta keepers who want a more natural, softwater environment. As they break down in the tank they slowly release tannins and humic substances, gently nudging pH down and tinting the water toward a blackwater look. That tea-coloured water is more than aesthetic: it echoes the soft, slightly acidic streams many of our popular nano species come from, and it suits cherry shrimp, bettas and small soft-water fish well.

Our local tap water is already soft and slightly acidic, so these cones complement rather than fight your baseline, making them an easy, chemical-free way to enrich a tank. They also seed biofilm that shrimp and fry graze on between feedings. Rinse before use, and add gradually so any pH shift is slow and gentle rather than abrupt for sensitive livestock.

Find more botanicals in our conditioners and medication range, and read our tannins benefits and management guide and our natural pH lowering guide for dosing context.