We've reformulated Grow Concentrate to bring bigger, better blooms for orchids! With proprietary Bloom Booster, this orchid-specific product is best for 10-12 orchids. RRP PPU: $14.99 Bio-active, natural and organic orchid specific fertiliser. Fast absorbing for results you can see. Replaces the need for other fertilisers. Replicates the environment that make orchids thrive in nature All products are certified organic, pet safe, Australian made & scientifically backed.