Diamond Fertilisers offer Triple Superphosphate containing 46% phosphate.
Triple Superphosphate, commonly known as TSP, has several advantages that has made it such a popular P source. It has the highest P content of dry fertilisers that do not contain N. Over 90% of the total P in TSP is water soluble, so it becomes rapidly available for plant uptake.
Fertilizer analysis: 46% P2O5 (0-45-0) 15% Ca
Water-soluble P: Generally >90%
Solution pH 1 to 3
Available in bulk, 600kg and 1000kg bags.