Could his oyster shell be contaminated with sodium etc from salt water?
Leaf tip die back. A sign of too much light?
- Thread starter mrhappyrotter
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Rick
Well-Known Member
Nothing's impossible, but there's a handful of other things with oyster shell that are a sure bet.
could you elaborate, please?
Rick
Well-Known Member
Excess bicarbonate/pH increase causing reduction in nitrate utilization, and adsorption/precipitation of phosphate causing phosphorus deficiency (short term with each fresh top dress).
