Designed to accurately measure and monitor the potassium levels in your planted aquariums. Excellent for use in conjunction with Formula K Potassium Additive.
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TrustScore 4.5 | 7,300+ reviews
Anjali K.
The product quality is outstanding. Exactly what I needed for my work.
1 month ago
Abdullah B.
Great price for an authentic product. Fast international shipping too!
