250 litre tanks and chemicals

What's included: 7 tanks and lids (approx. 1240mm x 558mm x 584mm), 4 heat mats (plugs not supplied), 75 litres of Blackfast 181 (will make 300 litres of working solution), 25 litres of Blackfast 551 (will make 250 litres of working solution), 125 litres of Blackfast 716 (will make 250 litres of working solution), 250 litres of Blackfast 833.