PlantGuy's Slow Release Substrate Fertilizer (free shipping)

PlantGuy's Slow Release Substrate Fertilizer is a great way to keep your aquarium plants healthy and vibrant. It comes in 25 pre-made capsules or 75 fill-your-own capsules, and is available with free shipping.

This fertilizer is designed to slowly release nutrients into the substrate, providing a steady supply of essential minerals and vitamins to your plants. It is easy to use and can be applied directly to the substrate.

However, it is important to use this fertilizer with caution in tanks with invertebrates, as it may cause harm to them. PlantGuy's Slow Release Substrate Fertilizer is a great way to keep your aquarium plants healthy and vibrant.