If the Form 990-T is filed on or before the due date of the return, the SOL begins. to run on the due date of the return, which is on or before the 15th day of the. fourth month following the close of the taxable year of the trust, which for a. qualified plan is the plan year.
Phosphate is a vital plant nutrient and the presence in swimming pool water, even at low concentrations, can cause accelerated algae growth in poorly maintained pools. Pools, that are properly maintained, usually do not have unexpected difficulty controlling algae, even in the presence of phosphates.
When Phosphates are Present, Algae Grows.... Phosphate is the main ingredient in fertilizer. Phosphate is plant food, and algae are plants. If you have had persistant trouble with algae, every year - and it always seems to come back, you may have a phosphate problem in your pool.