Enhance the natural beauty of your aquarium with the Twinstar B-Line II LED Light – a sleek, high-performance lighting system designed for freshwater aquariums, shrimp tanks and low to medium-light planted setups.
Combining RGB and white LEDs, the B-Line II delivers bright, natural illumination with excellent colour rendering to make fish, shrimp and aquascapes stand out beautifully. Its slim aluminium body gives a premium modern look while also acting as an effective heat sink for improved efficiency and longevity.
Product Overview
The Twinstar B-Line II range is ideal for aquarists looking for vibrant colour enhancement and reliable everyday lighting without excessive intensity. The balanced RGB-W spectrum promotes healthy plant growth for easy and low-light plants while showcasing fish colours with impressive clarity.
With improved performance over the previous generation, the Series II offers increased brightness, greater efficiency and optional controllability via compatible Twinstar dimmers and controllers.
Key Features
- RGB-W LED technology – enhances fish, shrimp and plant colours naturally
- 6500K colour temperature – crisp, natural daylight appearance
- Slim aluminium body – stylish modern design with effective heat dissipation
- High colour rendering (CRI 90+) – delivers vibrant and realistic aquarium colours
- Suitable for low to medium-light planted tanks – ideal for mosses, Anubias, Bucephalandra and ferns
- Adjustable mounting legs included – fits a range of aquarium widths
- Energy-efficient LED performance – improved lumen output with low power consumption
- Available in multiple sizes – suitable for aquariums from 30cm to 120cm
- 2-year warranty – reliable long-term performance
Why Choose the Twinstar B-Line II?
The B-Line II is an excellent choice for aquarists who want premium aesthetics and natural colour enhancement at an accessible price point. It’s particularly well suited to:
- Community aquariums
- Shrimp tanks
- Aquascapes with easy plants
- Fish-focused display tanks
- Open-top aquariums
Its balanced spectrum creates a bright, natural look without being overly harsh, helping fish feel comfortable while keeping algae growth manageable in lower-tech setups.
| Model | Light Length (cm) | Recommended Tank Width | Riser (approx) | Power (W) | Brightness (lm) |
| 30 | 27cm | Ideal 30cm (up to 36cm) | 13cm | 11 | 820 |
| 45 | 42cm | Ideal 45cm (up to 50cm) | 13cm | 19 | 1550 |
| 60 | 56cm | Ideal 60cm (up to 70cm) | 13cm | 29 | 2300 |
| 90 | 85cm | Ideal 90cm (up to 100cm) | 13cm | 46 | 3750 |
| 120 | 110cm | Ideal 120cm (up to 120cm) | 13cm | 52 | 4100 |
Delivery
Delivery costs for your order will be calculated during the checkout process based on your delivery address and the contents of your basket. You will only pay one delivery charge for your order. Express delivery is FREE for online orders OVER £39 unless any of the points below become a factor.
- Some large items like aquariums, ponds and pond liners will have an additional charge of £45.00 to help offset the cost of a pallet delivery.
- Orders containing a physical gift card will have an additional charge of £2.45 to cover the cost of materials and delivery (digital gift cards are a free alternative).
- Orders to highlands, islands and Northern Ireland may incur an additional delivery charge displayed at checkout this is based on the postal code provided. DPD provides a list of postal codes which have additional surcharges. Some of these post codes may also take 2 working days to arrive, even on express. Pallet deliveries cannot be sent to these post codes.
We only ship to the UK and cannot ship internationally.
We aim to dispatch items that are currently in stock on the same working day if they are ordered before 2.45 pm (excluding Bank Holidays). Orders after 3pm will be dispatched the following working day, unless it fits any of the below criteria:
- Orders containing live plants will take up to 2 weeks to arrive. We take a week's worth of customer orders and then inform the plant farms of the specific quantities we need to fulfil that week's order to avoid wastage.
- Pallet orders containing large items like big aquariums will take additional time to arrive as they are sent by a third party. These orders will NOT be dispatched until we have been in touch to arrange a delivery date, this is to ensure someone is available at your address to sign for the delivery. Deliveries will generally be delivered ‘curb side’ within the terms of the agreement we have with our couriers so you will need to make arrangements to transfer larger items into your home yourself. Unfortunately, our drivers are not insured to transfer the aquarium into your home.
- Physical gift cards and items from the gift shop (such as clothes, towels etc) are sent with 1st Class Royal Mail. Delivery usually takes 1-2 working days, though in rare cases and orders placed closer to public holidays (Christmas, Father’s day, Mother’s day etc.) may be longer.
Returns
If you are not 100% satisfied with your purchase online from our website, you can return the product and get a full refund or exchange the product for another one, for up to 21 days from the date you purchased it.
We strongly suggest signing up for an account with fishkeeper.co.uk as this will allow for some additional returns options like return to your local store.
If you checkout as a guest you will need to return the product to Maidenhead Aquatics, PO Box 619, Egham, Surrey, TW20 2BS, please package the order (along with a packing slip or a note including your name, address and order number).
Large pallet items like aquariums are deemed delivered successfully with no damage once the the driver has left the property. If a report of damage is submitted after the driver has left we may be unable to assist with replacements. We recommend refusing a damaged delivery, this is the fastest resolution.
Our full terms and conditions can be found here. When you place an order with us online you are agreeing to these terms and conditions.
For delivery before Christmas, orders must be placed on or before 3pm on Wednesday 20th December. We cannot guarantee delivery of these orders pre-Christmas as we are reliant on our couriers, but will use our best endeavours to get orders placed on this date out to you before Christmas. For full details of our festive delivery and opening times click here
Please note: online orders placed after 3pm on Friday 22nd December will not be dispatched until the New Year. For full details of our festive delivery and opening times click here