Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.

Why are all your fertilisers low in phosphorus? I've read that the plants I am growing need an NPK of 15:15:15 and I can't find a fertiliser with those ratios.