Growstone - Hydroponic Stones Options:Growstone GS-1 Hydroponic 9L Adjust PPM higher in later

Adjust PPM higher in later stages of the bloom cycle to desired strength

With this much power in a sleek form-factor

Rainbow Mix PRO™ Grow is the ideal choice for all foliage plants

and facilitates essential oil production

Use it instead of a box full of pluggable relays

Growstone - Hydroponic Stones Options:Growstone GS-1 Hydroponic 9L Adjust PPM higher in laterGrowstone GS 1 Hydro Stones is the perfect growing media for vegetables, herbs, fruit and flowering plantsfrom lettuce and basil, to tomatoes, cucumbers, strawberries, gerbera daisies and orchids. It can be used in hydroponic systems as simple as manually irrigated containers, or as advanced as automatically drip irrigated containers, Ebb Flow systems, and NFT tables.