Tin occurs in seawater up to 3 µg/l (0,26 US.liq.gal.) and should be kept below 10 µg/l (0,26 US.liq.gal.) due to its harmful effect on SPS. Tin concentrations above the recommended values can lead to creeping tissue detachment and death in fast-growing SPS.

Possible sources of tin include natural seawater, aquarium glass from unclean production (when setting up a new aquarium), adhesives and cements that use a tin catalyst. Frozen food and some feeds that use algae, phytoplankton or plant raw materials as well as clam meat are also possible sources. Frozen food such as artemia in particular is a strong source of tin.

The tin concentration can be reduced with Ultraphos 0.04.

Value too high:

Partial water change, removal of the decoration, filtration with Powerphos, Phos 0.04 and Zeolite. Wash new tanks very thoroughly before starting the aquarium.

Value too low:

No dosing intended!

Variety Heavy metal
Benefit none
Default value 0-2 µg/l (0,26 US.liq.gal.)
Source salt, supply systems, trace element mixtures, aquarium glass
Importance 1–6 2
Detection quality safe

Balling Light:

No additional dosing intended. Please note the relevance limit in the ICP analysis.