Many garden centers and agricultural supply stores sell consumer grade pond and lake dye products that may be convenient, but are NOT your best value. read more
Conversely, there are some very large, but shallow water bodies, particularly in the south that are technically ponds, (though they’re called lakes) because their “photic zone” expands the entire length and width. So, at least with lakes and ponds, size doesn’t really matter. read more
Lakes are larger than ponds, but size is relative. What would be considered a pond in one region might be considered a lake in another. In general, water bodies that are considered lakes in dry areas would only be considered ponds in regions with abundant water resources where there are more (and larger) bodies of water. read more