21 COLLIER SPORTS © ‘ Gras Guy ’ Product Analysis Nutrients Slow Longevity Application Bag size release rate / sq.m ProTurf Outfield Fertilisers ProTurf 20:0:7 9% CaO + 3% MgO yes 2 - 3 months 20 - 35 g 25 kg ProTurf 12:5:20 6% CaO + 2.5% MgO yes 2 - 3 months 20 - 35 g 25 kg ProTurf 15:5:15 7% CaO + 2.5% MgO yes 2 - 3 months 20 - 35 g 25 kg Greenmaster Pro-Lite Fine Turf Turf Tonic 8:0:0 3% Fe + 3.3% MgO no 4 - 6 weeks 30 - 35 g 25 kg Spring Summer 14:5:10 2% MgO no 4 - 6 weeks 30 - 35 g 25 kg NK 12:0:12 2% Fe + 3% MgO no 4 - 6 weeks 30 - 35 g 25 kg Autumn 6:5:10 6% Fe no 4 - 6 weeks 30 - 35 g 25 kg Autumn Mg 6:5:11 3% MgO + 0.5% Fe no 4 - 6 weeks 30 - 35 g 25 kg Invigorator 4:0:8 4% Fe + 3% MgO + seaweed no 4 - 6 weeks 30 - 35 g 25 kg Invigorator Plus 4:3:14 8% Fe + 2% MgO no 4 - 6 weeks 30 - 35 g 25 kg Cold Start 11:5:5 8% Fe no 4 - 6 weeks 25 - 35 g 25 kg Pro-Iron 0:0:0 7% Fe + 3% MgO + seaweed no 4 - 6 weeks 30 - 35 g 25 kg Double K CalMag 7:0:14 8% CaO + 4% MgO + 3% Fe no 4 - 6 weeks 30 - 35 g 25 kg Sierrablen Mini Mini 37:0:0 yes 3+ months 15 - 20 g 20 kg Spring/Summer 19:5:5 6% CaO + 2% MgO yes 4 - 5 months 20 - 35 g 25 kg Summer Safe 26:0:0 16% CaO yes 4 - 5 months 20 - 35 g 25 kg Autumn/Winter 15:5:16 3% CaO yes 4 - 5 months 20 - 35 g 25 kg Sierrablen Plus Spring Starter 24:5:13 yes 3 months 25 - 35 g 25 kg Active 19:5:18 2% MgO + trace elements yes 3+ months 25 - 35 g 25 kg Stress Control 15:0:28 2% MgO yes 3+ months 25 - 35 g 25 kg Pearl Renovator 11:11:5 6% MgO + 8% CaO yes 3+ months 35 - 45 g 25 kg Pearl Turf Starter 5:28:0 16% MgO yes 3+ months 35 - 45 g 25 kg S/S CalMag 23:0:5 7% CaO + 2.5% MgO yes 4 - 5 months 25 - 35 g 25 kg Spring Starter 24:5:8 2% MgO yes 5+ months 30 - 45 g 25 kg Active 18:5:18 2% MgO yes 5+ months 30 - 45 g 25 kg Stress Control 15:5:22 2% MgO yes 5+ months 30 - 45 g 25 kg Spring/Summer 24:5:10 yes 30 - 45 g 25 kg Sierrablen Turfmix 27:5:5 27:5:5 Fe yes 5 - 6 months 40 - 60 g 25 kg 28:5:5 28:5:5 Fe yes 8 - 9 months 35 - 55 g 25 kg Landscaper Pro Triple Action 14:0:5 Fe + herbicides yes 4 - 6 weeks 35 g 15 kg Spring & Summer 20:0:7 9% CaO + 3% MgO yes 2 - 3 months 20 - 35 g 5 & 15 kg Autumn & Winter 12:5:20 6% CaO + 2.5% MgO yes 2 - 3 months 20 - 35 g 15 kg Gronamic Golf High K 5:0:22 2% MgO + 2% CaO + 0.5% Fe yes 6 - 8 weeks 30 g 25 kg Golf High N 16:3:6 2% MgO + 1.5% CaO + 0.5% Fe yes 6 - 8 weeks 30 - 40 g 25 kg Sport High N 16:3:6 2% MgO + 2% CaO + 0.5% Fe yes 6 - 8 weeks 30 - 40 g 25 kg Allround 10:4:5 2% MgO + 0.5% Fe yes 6 - 8 weeks 30 - 40 g 25 kg Golf 6:2:4 yes 6 - 8 weeks 25 - 35 g 20 kg Granular Fertilisers Organic / Organo-mineral Granular Fertilisers
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