- Product Dimensions: 47 x 7.6 x 47 cm
- Shipping Weight: 2.9 Kg
- Item model number: GMC10L
- ASIN: B009LNOZQ2
- Date first available at Amazon.ca: Oct. 25 2012
- Average Customer Review: 152 customer reviews
- Amazon Bestsellers Rank: #4,871 in Home (See Top 100 in Home)
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GROW!T GMC10L Horticultural Clay Pebbles 10L 4mm-16mm
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- Extremely stable in both pH and EC
- Made from 100% natural clay
- Pre-Washed to aid in stability
- Suitable for flood and drain systems, multi-pot and drip feed systems
- Decoration - looks great as a top dressing for pots and also helps to prevent evaporation
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Size : 10 Litre
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GROW!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure and ability to cover a large surface area, they offer the ideal environment to foster beneficial bacterial growth around the root zone, leading to naturally healthier plants.
GROW!T Clay Pebbles can be used for:
•Aeration of growing media - ideal to mix into coco coir or soil to aid aeration
•Drainage - will hold water as well as offering great aeration properties and free draining
•Decoration - looks great as a top dressing for pots and also helps to prevent evaporation
•Hydroponics/hydroculture - used widely in hydroponic growing, they are ideal for flood and drain, deep water culture and drip feed systems
•Aquaponics - are also ideal to be used in aquaponic systems
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PS: a lot of people have said in reviews that this product isn't good for dwc hydroponics, those people don't even know what they are talking about i have used clay pebbles for maybe 5 years with dwc and i'm happy with it.
They float on water: This is perfectly normal!! They aren't supposed to be in direct contact with water anyway. The level of water should be just above the plastic net that holds the pebbles.. that's the bubbles that the air stone is making that will keep the pebbles wet (i'm using what we call a bubbler, a simple but effective hydroponic system)
They have dust in it: Of course this is clay, are you really expecting it to be clean ??? You always need to clean it before you use it, i clean pebbles after each grow.. Also the fine dust is mostly sillicate and you know what? PLANTS NEED SILLICATE, so if you have a little bit of it in your water it's perfectly ok.
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Make sure to soak for about 24 hours in 5.5 PH'd water and then rinse afterward.