what one should i get? or should i get both ROCK DUST (SEERS) 3kg ORGANIC FERTILISER (MIX & MATCH MULTI-BUYS) | eBay 2.5Kg Rock Dust Organic Fertilizer | eBay
The first one (SEERS). The 2nd one says something about being dust from potash rock. I don't even know what potash rock is, so I'm assuming it's langbeinite (sul-po-mag), or maybe just potash. Anyway, the 2nd was isn't what you want. The Seers is what you want: Seers Rockdust- 420 million years old, freshly ground, untreated, volcanic rock from Scottish quarries. Decades of rigorous gardening trials and scientific analysis show SEERS® Rockdust® to be safe to add to soils and compost. Whilst chemical fertilisers may produce more immediate visual results, SEERS Rockdust adds a huge range of mineral and trace elements for long term soil health. Thanks to the activities of the soil and compost fauna (from microbes to worms) remineralised soil and compost produces the following benefits: