Description
TMC Auto Top Up – 2 Float Switch System
Maintain precise and reliable water levels in your aquarium or sump with the TMC Auto Top Up (2 Float Switch) System. Designed for enhanced safety and control, this system uses two float switches to provide both primary level detection and backup protection, ensuring stable salinity and reduced maintenance in marine and reef setups.
Features & Benefits:
- Dual float switch safety system – primary and backup protection for added reliability
- Automatic water top-up – replaces evaporated water to maintain stable levels
- Prevents salinity fluctuations – essential for healthy reef environments
- Reduces maintenance – eliminates the need for manual topping up
- Reliable mechanical design – simple, proven float technology
Care & Usage Tips:
- Use with RO/DI water only for evaporation top-up
- Install float switches in a stable, low-turbulence sump area
- Regularly clean floats to prevent salt creep or debris buildup
- Ensure reservoir is adequately filled to avoid pump dry running
Specifications:
- Suitable for: Marine and reef aquariums
- Sensor type: Dual mechanical float switches
- Function: Automatic evaporation top-up system with safety backup
- Installation: Sump or aquarium edge mounting
Keep your reef system stable and protected with the TMC Auto Top Up 2 Float Switch System – a dependable upgrade for safer, more consistent aquarium water management.
Click & Collect
Livestock will only be bagged once you arrive, or if you contact us in advance to request it ready beforehand.
Local Delivery
Order anything from our in-store range and have it delivered right to you.
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Minimum spend: £50
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Delivery from £15 - £30
- Range 0-25 miles from store
Distances are measured “as the crow flies”, not by road.
Once your order is placed, we’ll be in touch to arrange a suitable delivery date and time.
Please note, delivery may take a little longer as we often group orders together to build an efficient delivery run.
Important: If you’re ordering a large aquarium, please ensure someone is available to help unload the van on arrival.
Dry Goods Delivery
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DX Express: 1 working day, same-day dispatch before noon 0-75kg
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Express Pallet: 1–3 working days 75-500kg
If you'd like to add more items to an existing order that hasn't yet been dispatched, please place a Click & Collect order and leave a note asking us to combine the orders.
Please note: We currently only dispatch parcels Wednesday to Friday.
Pre-Order
Want the full details? Check out our Terms & Conditions.
Livestock Delivery
Thursday Delivery – £24
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Dispatched Wednesday afternoon
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Delivered Thursday before 1pm
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Order by Wednesday 12 noon
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Minimum spend: £50
Friday Delivery – £24
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Dispatched Thursday afternoon
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Delivered Friday before 1pm
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Order by Thursday 12 noon
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Minimum spend: £50
Saturday Delivery – £29
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Dispatched Friday afternoon
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Delivered Saturday before 1pm
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Order by Friday 12 noon
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Minimum spend: £50
📦 Want to Add to an Existing Order?
No problem! Just place a Click & Collect order and leave a note asking us to link it with your original one (as long as it hasn’t been dispatched yet).
🛒 Dry Goods Now Included!
You can now include dry goods in your livestock delivery – perfect for topping up supplies in one go.
❄️ Please note: We can’t send frozen food with livestock – please order frozen items separately.
⚠️ Delivery Exclusions
Unfortunately, we’re unable to deliver livestock to the following postcodes:
Scotland & Isles:
AB30–AB56, DD8–DD10, DG3–DG9, DG12–DG14, FK17–FK21, KA18–KA19, KA26–KA30, PA20–PA38, PA80, PH3–PH40
Cornwall Isles: TR21–TR25
All of the following postcodes are excluded:
BT, HS, IM, IV, JE, KW
Plus Channel Islands and Shetland Islands
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.