Osmocote Root Tabs

Aquarium Water Plant Root Fertilizer Tabs Great Fertilizer For Planted Aquariums Ideal Fertilizer For Deep Rooter's Such As Amazon Sword And Many Other Plants

Use sparingly - One pellet every inch square if necessary deep into the substrate, once every 3 months

Note: If the balls are are not inserted deeply enough, the result ammonia spikes in the water column often give rise to heavy green dust algae.