
Aqua Soil for Aquatic Plants and Reliable Water Quality Maintenance. Natural Nutrient Release: Infused with plant-extracted fertilizers for longer-lasting and stable nutrient release. pH Stabilization: Naturally slightly acidic substrate with organic acids to stabilize water pH/GH levels. Ready-to-Use Design: Safe to use directly in aquariums without rinsing; simply add to tank. Water Purification: Rich in trace elements and resists disintegration; purifies water via natural ion exchange. Anti-Crumbling Structure: Maintains structural integrity in substrates for long-term use. Eco-Friendly Material: Made from premium natural black soil with organic nutrients essential for growth. OEM/ODM Services: Custom logo and design available for products upon request. Fast Shipping: Most products in stock shipped within 4 days; custom orders within 15 days.