Anti foul thoughts
I keep one boat, in the water all year, and the only good antifoul i have come across, on an 11 m Delta, is International Copper Bot.
Very expensive, and has to be sprayed on in a workshop, and all that............... and yes after a year or 2 you have to go over the whole thing again, but give it, it's due was very good. Thought about putting it on one boat, but went against it, so neither are anti fouled.
Even if you use your boat every day, throughout the summer, you will get growth on it, it is the way it is... i use my boats every day during the summer for max 6 hours per day, and it is unbelievable where a barnacle will hang on to.
My theory - take it out - pressure wash it - gives you agood chance to check the hull, and all those unseen bits, put it back in - only takes an hour.......... dont bother with anti foul ...
Or, keep your boat in the dark, where the weed will not grow