Sulphur is a macro element which is abundantly present in all reefs around the world mostly in the form of Sulphate.
Despite Sulphur being a macro element that typically gets replenished with water changes and the addition of foods or other supplements containing high levels of sulphate, sulphur can still get depleted in the tank. Given that Sulphur is highly linked to bacterial activity, the presence of Sulphur in much lower or higher concentrations from the normally found in the seawater can lead to bacterial issues.
If disease in corals occur due to pathogenic bacterial activity (i.e. STN/RTN) it is important to check Sulphur levels through an ICP analysis and ensure it is within the ranges indicated below.
Nonetheless, Sulphate/Sulphur is not yet fully researched and ideal ranges are still to be determined, however we suggest Sulphur to be kept at 900mg/l + -5% (i.e. 865-945mg/l) which have been shown as safe.
Sulphur/Sulphate Zlement used in conjunction with a regular testing procedure, allows any reefer to make corrections to Sulphur levels ensuring the levels in their tank water stay within the best range for their friends.
10 ml of Sulphur Zlement increases the Sulphur concentration of 100 litres by ~3.5 mg/l.
2.5 Litre Jerrycan
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Next Day Shipping Upgrade - Cut off is at 4:00 pm
Orders after that time will be processed the next working day
Please Note: We only deliver ponds and pond plants on our own delivery vehicles!
The blue highlighted area on the map below is where we deliver on our own vehicle! Unfortunately, if you are not in one of these postcode zones we are unable to deliver certain items such as plants, small glass items and selective other products.
We offer a few different delivery options depending on the size and value of your order.
Orders over £50 qualify for free mainland UK (excludes Northern Ireland) delivery which will arrive within 3-5 working days of the order being processed.
Residents of Northern Ireland, please provide your EORI or XI Number.
If you do not have one, please follow the information at https://www.gov.uk/eori
Orders Below £50 in Mainland UK will be charged a standard delivery fee of £5.99.
Additional Shipping Charges
For any orders that do not include Aquariums, the below is charged:
Next Working Day Parcel Delivery to Mainland UK - £7.99 OR £2.99 if the order is over £50
Standard Parcel Delivery to Northern Ireland £8.99
Standard Parcel Delivery to Scottish Highlands & Islands £9.99
Standard Parcel Delivery to Jersey & Guernsey £12.99
For all Aquarium deliveries (Excluding biOrbs & Smaller Aquariums), the below is charged:
Next Working Day Pallet Delivery - £20
2 Hour Booking Slot Pallet Delivery - £20
Pallet Delivery to Northern Ireland - £45
Pallet Delivery to Isle of Wight (PO36 and Above) and Scottish Highlands (AB, PH, IV1-36, IV, KW1-14, KY, PA21-41) - £45
Pallet Delivery to the Scottish Isles (KA27-28, PA60-90, ZE, JE, GY, IM, IV40-56, KW15-17, PH42-44, PA20, PA42-49) - £120
Pallet Delivery to Outer Hebrides (HS) - £140