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Testing Supplies
17 products from Fins For Grins in Broken Arrow, Oklahoma.
Sera Iron Test ( Fe)
Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this may be due to lacking iron. The sera…
sera kH - Test (Carbonate Hardness)
For approx. 390°dKH. In case of too low KH values we recommend sera KH/pH-plus (in freshwater) or sera pond bio balance (in ponds), in…
