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Formulex has become an industry standard and is valued for its utility and ease of use. It is a single solution with an amazing capacity for stable pH through its ground-breaking inbuilt buffering capacity. Formulex can be used for almost every fertilising requirement and is an amazingly useful bottle to have around. Many people recommend it for seedlings and young plants generally, but it can be used at all stages of growth and for many different crops.
A solution designed specifically for the refill of liquid-containing pH probes. This liquid is also a storage solution. Please note that some probes are gel-filled and this liquid is not to be used with them.