Eco-Complete Black Substrate 4–10mm 9.1kg – Create the Perfect High pH Environment for Your African CichlidsEco-Complete Black Substrate 4–10mm 9.1kg delivers a complete, ready-to-use substrate designed specifically for African cichlids. This dark gravel buffers water to maintain the high pH these fish need while resisting drops common in cichlid systems. Packed with live water-purifying bacteria, it cycles new aquariums faster and safer. The rich Zach Black colour brings out the best vibrancy in your fish.Aquarists appreciate how convenient and effective this substrate is straight from the bag. It recreates the natural African Rift Lake environment and adds essential minerals like calcium and magnesium. No rinsing is required, so you can set up quickly and enjoy a stable, healthy tank.Key Features:Aragonite-based cichlid gravel – Naturally buffers and maintains high pH levels that African cichlids require without constant chemical additions.Live purifying bacteria – Jump-starts the nitrogen cycle and makes aquarium cycling faster and safer for beginners and experts.High porosity grains – Sized 4-10mm to maximise biological filtration and support beneficial bacteria colonies.Mineral-rich formula – Supplies calcium, magnesium, carbonate, and other elements to recreate the Rift Lake habitat.No rinsing required – Packed in a water conditioning solution for immediate use and low-mess setup.Size/Weight: This 9.1kg (20lb) bag of Eco-Complete Black Substrate features grains sized 4–10mm. It provides excellent coverage for medium to large African cichlid aquariums.A must-have for any tank setup, ACO Clear Magic Purifying Powder 5g clears cloudy water fast after adding new gravel, and you will be very grateful you had it on hand when your tank clears in a fraction of the time instead of staying murky for days or even weeks.FAQs about Eco-Complete SubstrateDoes this substrate need rinsing? No rinsing is required as it comes packed in a water conditioning solution ready for immediate use.Will Eco-Complete Zach Black maintain a high pH for cichlids? Yes, the aragonite-based cichlid gravel buffers automatically and resists pH drops for the life of the aquarium.Is it suitable for new tanks? The live bacteria make cycling much faster, so you can add fish sooner with greater safety.What colour is Zach Black? It provides a deep, rich dark tone that contrasts beautifully and enhances fish colours.Can I use it with other substrates? Many aquarists use it alone or as a top layer to combine looks and performance.Transform your aquarium with this Eco-Complete Black Substrate and enjoy a fresh natural look right away.
